Miller Electric Welding System OM 494 User Manual

OM-494  
191 862P  
January 2005  
Processes  
Stick (SMAW) Welding  
MIG (GMAW) Welding  
Flux Cored (FCAW) Welding  
TIG (GTAW) Welding  
Air Carbon Arc (CAC-A)  
Cutting and Gouging  
Description  
Dual-OperatorEngine Driven Welding  
Generator  
Miller DU-OP  
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TABLE OF CONTENTS  
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TABLE OF CONTENTS  
OPTIONS AND ACCESSORIES  
WARRANTY  
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SECTION 1 SAFETY PRECAUTIONS READ BEFORE USING  
rom _nd_8/03  
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Warning: Protect yourself and others from injury — read and follow these precautions.  
1-1. Symbol Usage  
Means Warning! Watch Out! There are possible hazards  
with this procedure! The possible hazards are shown in  
the adjoining symbols.  
This group of symbols means Warning! Watch Out! possible  
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Marks a special safety message.  
ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.  
Consult symbols and related instructions below for necessary actions  
to avoid the hazards.  
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1-2. Arc Welding Hazards  
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Use only well-maintained equipment. Repair or replace damaged parts at  
once. Maintain unit according to manual.  
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The symbols shown below are used throughout this manual to  
call attention to and identify possible hazards. When you see the  
symbol, watch out, and follow the related instructions to avoid the  
hazard. The safety information given below is only a summary of  
the more complete safety information found in the Safety Stan-  
dards listed in Section 1-7. Read and follow all Safety Standards.  
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Wear a safety harness if working above floor level.  
Keep all panels and covers securely in place.  
Clamp work cable with good metal-to-metal contact to workpiece or work-  
table as near the weld as practical.  
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Only qualified persons should install, operate, maintain, and re-  
pair this unit.  
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Insulate work clamp when not connected to workpiece to prevent contact  
with any metal object.  
Do not connect more than one electrode or work cable to any single weld  
output terminal.  
During operation, keep everybody, especially children, away.  
SIGNIFICANT DC VOLTAGE exists in inverters after stop-  
ping engine.  
ELECTRIC SHOCK can kill.  
D
Stop engine on inverter and discharge input capacitors according to  
instructions in Maintenance Section before touching any parts.  
Touching live electrical parts can cause fatal shocks or  
severe burns. The electrode and work circuit is electrically  
live whenever the output is on. The input power circuit and  
machine internal circuits are also live when power is on. In semiautomatic or  
automatic wire welding, the wire, wire reel, drive roll housing, and all metal  
parts touching the welding wire are electrically live. Incorrectly installed or  
improperly grounded equipment is a hazard.  
FUMES AND GASES can be hazardous.  
Welding produces fumes and gases. Breathing these fumes  
and gases can be hazardous to your health.  
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Do not touch live electrical parts.  
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Keep your head out of the fumes. Do not breathe the fumes.  
Wear dry, hole-free insulating gloves and body protection.  
If inside, ventilate the area and/or use exhaust at the arc to remove welding  
fumes and gases.  
Insulate yourself from work and ground using dry insulating mats or covers  
big enough to prevent any physical contact with the work or ground.  
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If ventilation is poor, use an approved air-supplied respirator.  
Read the Material Safety Data Sheets (MSDSs) and the manufacturer’s  
instructions for metals, consumables, coatings, cleaners, and degreasers.  
D
Do not use AC output in damp areas, if movement is confined, or if there is a  
danger of falling.  
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Use AC output ONLY if required for the welding process.  
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Work in a confined space only if it is well ventilated, or while wearing an air-  
supplied respirator. Always have a trained watchperson nearby. Welding  
fumes and gases can displace air and lower the oxygen level causing injury  
or death. Be sure the breathing air is safe.  
If AC output is required, use remote output control if present on unit.  
Additionalsafety precautions are required when any of the following electri-  
cally hazardous conditions are present: in damp locations or while wearing  
wet clothing; on metal structures such as floors, gratings, or scaffolds;  
when in cramped positions such as sitting, kneeling, or lying; or when there  
is a high risk of unavoidable or accidental contact with the workpiece or  
ground. For these conditions, use the following equipment in order present-  
ed: 1) a semiautomatic DC constant voltage (wire) welder, 2) a DC manual  
(stick) welder, or 3) an AC welder with reduced open-circuit voltage. In most  
situations, use of a DC, constant voltage wire welder is recommended.  
And, do not work alone!  
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Do not weld in locations near degreasing, cleaning, or spraying operations.  
The heat and rays of the arc can react with vapors to form highly toxic and  
irritating gases.  
Do not weld on coated metals, such as galvanized, lead, or cadmium plated  
steel, unless the coating is removed from the weld area, the area is well  
ventilated, and if necessary, while wearing an air-supplied respirator. The  
coatings and any metals containing these elements can give off toxic fumes  
if welded.  
D
Disconnect input power or stop engine before installing or servicing this  
equipment. Lockout/tagout input power according to OSHA 29 CFR  
1910.147 (see Safety Standards).  
BUILDUP OF GAS can injure or kill.  
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Shut off shielding gas supply when not in use.  
Always ventilate confined spaces or use approved  
air-supplied respirator.  
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Properly install and ground this equipment according to its Owner’s Manual  
and national, state, and local codes.  
Always verify the supply ground — check and be sure that input power cord  
ground wire is properly connected to ground terminal in disconnect box or  
that cord plug is connected to a properly grounded receptacle outlet.  
ARC RAYS can burn eyes and skin.  
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When making input connections, attach proper grounding conductor first  
double-check connections.  
Arc rays from the welding process produce intense visible  
and invisible (ultraviolet and infrared) rays that can burn eyes  
and skin. Sparks fly off from the weld.  
Frequently inspect input power cord for damage or bare wiring — replace  
cord immediately if damaged — bare wiring can kill.  
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Turn off all equipment when not in use.  
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Wear a welding helmet fitted with a proper shade of filter to protect your face  
and eyes from arc rays and sparks when welding or watching (see ANSI  
Z49.1 and Z87.1 listed in Safety Standards).  
Do not use worn, damaged, undersized, or poorly spliced cables.  
Do not drape cables over your body.  
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Wear approved safety glasses with side shields under your helmet.  
If earth grounding of the workpiece is required, ground it directly with a sep-  
arate cable.  
Use protective screens or barriers to protect others from flash and glare;  
warn others not to watch the arc.  
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Do not touch electrode if you are in contact with the work, ground, or anoth-  
er electrode from a different machine.  
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Wear protective clothing made from durable, flame-resistant material (wool  
and leather) and foot protection.  
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WELDING can cause fire or explosion.  
HOT PARTS can cause severe burns.  
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Allow cooling period before maintaining.  
Wear protective gloves and clothing when working on  
a hot engine.  
Do not touch hot engine parts or just-welded parts  
bare-handed.  
Welding on closed containers, such as tanks, drums, or  
pipes, can cause them to blow up. Sparks can fly off from the  
welding arc. The flying sparks, hot workpiece, and hot  
equipment can cause fires and burns. Accidental contact of electrode to metal  
objects can cause sparks, explosion, overheating, or fire. Check and be sure  
the area is safe before doing any welding.  
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Protect yourself and others from flying sparks and hot metal.  
Do not weld where flying sparks can strike flammable material.  
NOISE can damage hearing.  
Noise from some processes or equipment can damage  
hearing.  
Remove all flammables within 35 ft (10.7 m) of the welding arc. If this is not  
possible, tightly cover them with approved covers.  
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Wear approved ear protection if noise level is high.  
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Be alert that welding sparks and hot materials from welding can easily go  
through small cracks and openings to adjacent areas.  
MAGNETIC FIELDS can affect pacemakers.  
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Watch for fire, and keep a fire extinguisher nearby.  
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Pacemaker wearers keep away.  
Be aware that welding on a ceiling, floor, bulkhead, or partition can cause  
fire on the hidden side.  
Wearers should consult their doctor before going  
near arc welding, gouging, or spot welding opera-  
tions.  
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Do not weld on closed containers such as tanks, drums, or pipes, unless  
they are properly prepared according to AWS F4.1 (see Safety Standards).  
Connect work cable to the work as close to the welding area as practical to  
prevent welding current from traveling long, possibly unknown paths and  
causing electric shock and fire hazards.  
CYLINDERS can explode if damaged.  
Shielding gas cylinders contain gas under high pressure. If  
damaged, a cylinder can explode. Since gas cylinders are  
normally part of the welding process, be sure to treat them  
carefully.  
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Do not use welder to thaw frozen pipes.  
Remove stick electrode from holder or cut off welding wire at contact tip  
when not in use.  
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Protect compressed gas cylinders from excessive heat, mechanical  
shocks, slag, open flames, sparks, and arcs.  
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Wear oil-free protective garments such as leather gloves, heavy shirt, cuf-  
fless trousers, high shoes, and a cap.  
Install cylinders in an upright position by securing to a stationary support or  
cylinder rack to prevent falling or tipping.  
Remove any combustibles, such as a butane lighter or matches, from your  
person before doing any welding.  
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Keep cylinders away from any welding or other electrical circuits.  
Never drape a welding torch over a gas cylinder.  
Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B for hot  
work and have a fire watcher and extinguisher nearby.  
Never allow a welding electrode to touch any cylinder.  
Never weld on a pressurized cylinder — explosion will result.  
Use only correct shielding gas cylinders, regulators, hoses, and fittings de-  
signed for the specific application; maintain them and associated parts in  
good condition.  
FLYING METAL can injure eyes.  
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Welding, chipping, wire brushing, and grinding cause  
sparks and flying metal. As welds cool, they can  
throw off slag.  
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Turn face away from valve outlet when opening cylinder valve.  
Keep protective cap in place over valve except when cylinder is in use or  
connected for use.  
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Wear approved safety glasses with side shields even  
under your welding helmet.  
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Read and follow instructions on compressed gas cylinders, associated  
equipment, and CGA publication P-1 listed in Safety Standards.  
1-3. Engine Hazards  
MOVING PARTS can cause injury.  
BATTERY EXPLOSION can BLIND.  
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Keep away from fans, belts, and rotors.  
Keep all doors, panels, covers, and guards closed  
and securely in place.  
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Always wear a face shield, rubber gloves, and protec-  
tive clothing when working on a battery.  
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Stop engine before disconnecting or connecting bat-  
tery cables or servicing battery.  
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Stop engine before installing or connecting unit.  
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Do not allow tools to cause sparks when working on a battery.  
Do not use welder to charge batteries or jump start vehicles.  
Observe correct polarity (+ and ) on batteries.  
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Have only qualified people remove guards or covers for maintenance  
and troubleshooting as necessary.  
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To prevent accidental starting during servicing, disconnect negative ()  
battery cable from battery.  
Disconnect negative () cable first and connect it last.  
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Keep hands, hair, loose clothing, and tools away from moving parts.  
Reinstall panels or guards and close doors when servicing is finished  
and before starting engine.  
FUEL can cause fire or explosion.  
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Before working on generator, remove spark plugs or injectors to keep  
engine from kicking back or starting.  
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Stop engine and let it cool off before checking or add-  
ing fuel.  
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Do not add fuel while smoking or if unit is near any  
sparks or open flames.  
Block flywheel so that it will not turn while working on generator compo-  
nents.  
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Do not overfill tank — allow room for fuel to expand.  
Do not spill fuel. If fuel is spilled, clean up before starting engine.  
Dispose of rags in a fireproof container.  
Always keep nozzle in contact with tank when fueling.  
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BATTERY ACID can BURN SKIN and EYES.  
STEAM AND HOT COOLANT can burn.  
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Do not tip battery.  
Replace damaged battery.  
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If possible, check coolant level when engine is cold to  
avoid scalding.  
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Always check coolant level at overflow tank, if pres-  
ent on unit, instead of radiator (unless told otherwise  
in maintenance section or engine manual).  
Flush eyes and skin immediately with water.  
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If the engine is warm, checking is needed, and there is no overflow tank,  
follow the next two statements.  
ENGINE HEAT can cause fire.  
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Wear safety glasses and gloves and put a rag over radiator cap.  
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Do not locate unit on, over, or near combustible  
surfaces or flammables.  
Turn cap slightly and let pressure escape slowly before completely re-  
moving cap.  
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Keep exhaust and exhaust pipes way from flam-  
mables.  
ENGINE EXHAUST GASES can kill.  
EXHAUST SPARKS can cause fire.  
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Use equipment outside in open, well-ventilated ar-  
eas.  
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Do not let engine exhaust sparks cause fire.  
Use approved engine exhaust spark arrestor in re-  
quired areas — see applicable codes.  
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If used in a closed area, vent engine exhaust outside  
and away from any building air intakes.  
1-4. Compressed Air Hazards  
BREATHING COMPRESSED AIR can  
cause serious injury or death.  
HOT METAL from air arc cutting and  
gouging can cause fire or explosion.  
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Do not use compressed air for breathing.  
Use only for cutting, gouging, and tools.  
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Do not cut or gouge near flammables.  
Watch for fire; keep extinguisher nearby.  
HOT PARTS can cause burns and injury.  
COMPRESSED AIR can cause injury.  
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Do not touch hot compressor or air system parts.  
Let system cool down before touching or servicing.  
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Wear approved safety goggles.  
Do not direct air stream toward self or others.  
TRAPPED AIR PRESSURE AND WHIPPING  
HOSES can cause injury.  
READ INSTRUCTIONS.  
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Read Owner’s Manual before using or servicing unit.  
Stop engine and release air pressure before  
servicing.  
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Release air pressure from tools and system before  
servicing, adding or changing attachments, or open-  
ing compressor oil drain or oil fill cap.  
1-5. Additional Symbols For Installation, Operation, And Maintenance  
OVERUSE can cause OVERHEATING.  
FALLING UNIT can cause injury.  
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Allow cooling period; follow rated duty cycle.  
Reduce current or reduce duty cycle before starting  
to weld again.  
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Use lifting eye to lift unit only, NOT running gear, gas  
cylinders, trailer, or any other accessories.  
Use equipment of adequate capacity to lift and  
support unit.  
If using lift forks to move unit, be sure forks are long  
enough to extend beyond opposite side of unit.  
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Do not block or filter airflow to unit.  
OVERHEATING can damage motors.  
STATIC (ESD) can damage PC boards.  
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Turn off or unplug equipment before starting or stop-  
ping engine.  
Do not let low voltage and frequency caused by low  
engine speed damage electric motors.  
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Put on grounded wrist strap BEFORE handling  
boards or parts.  
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Use proper static-proof bags and boxes to store,  
move, or ship PC boards.  
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Do not connect 50 or 60 Hertz motors to the 100 Hertz receptacle where  
applicable.  
FLYING SPARKS can cause injury.  
TILTING OF TRAILER can cause injury.  
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Wear a face shield to protect eyes and face.  
Shape tungsten electrode only on grinder with proper  
guards in a safe location wearing proper face, hand,  
and body protection.  
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Use tongue jack or blocks to support weight.  
Properly install welding generator onto trailer accord-  
ing to instructions supplied with trailer.  
D
Sparks can cause fires — keep flammables away.  
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READ INSTRUCTIONS.  
ARC WELDING can cause interference.  
D
Use only genuine MILLER/Hobart replacement  
parts.  
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Electromagnetic energy can interfere with sensitive  
electronic equipment such as microprocessors,  
computers, and computer-driven equipment such as  
robots.  
Be sure all equipment in the welding area is electro-  
magnetically compatible.  
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Perform engine and air compressor (if applicable)  
maintenance and service according to this manual  
and the engine/air compressor (if applicable) manu-  
als.  
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To reduce possible interference, keep weld cables as short as possible,  
close together, and down low, such as on the floor.  
H.F. RADIATION can cause interference.  
Locate welding operation 100 meters from any sensitive electronic  
equipment.  
D
High-frequency (H.F.) can interfere with radio naviga-  
tion, safety services, computers, and communica-  
tions equipment.  
Be sure this welding machine is installed and grounded according to this  
manual.  
D
Have only qualified persons familiar with electronic  
equipment perform this installation.  
If interference still occurs, the user must take extra measures such as  
moving the welding machine, using shielded cables, using line filters, or  
shielding the work area.  
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The user is responsible for having  
a
qualified electrician  
promptly correct any interference problem resulting from the installation.  
If notified by the FCC about interference, stop using the equipment at  
once.  
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Have the installation regularly checked and maintained.  
Keep high-frequency source doors and panels tightly shut, keep spark  
gaps at correct setting, and use grounding and shielding to minimize the  
possibility of interference.  
1-6. California Proposition 65 Warnings  
Y
Welding or cutting equipment produces fumes or gases which  
contain chemicals known to the State of California to cause  
birth defects and, in some cases, cancer. (California Health &  
Safety Code Section 25249.5 et seq.)  
For Gasoline Engines:  
Y
Engine exhaust contains chemicals known to the State of  
California to cause cancer, birth defects, or other reproductive  
harm.  
For Diesel Engines:  
Y
Battery posts, terminals and related accessories contain lead  
and lead compounds, chemicals known to the State of  
California to cause cancer and birth defects or other  
reproductiveharm. Wash hands after handling.  
Y
Diesel engine exhaust and some of its constituents are known  
to the State of California to cause cancer, birth defects, and  
other reproductive harm.  
1-7. Principal Safety Standards  
Safety inWelding, Cutting, and Allied Processes, ANSI Standard Z49.1,  
from American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126  
(phone: 305-443-9353, website: www.aws.org).  
RecommendedSafe Practices for the Preparation for Welding and Cut-  
ting of Containers and Piping, American Welding Society Standard  
AWS F4.1, from American Welding Society, 550 N.W. LeJeune Rd, Mi-  
ami, FL 33126 (phone: 305-443-9353, website: www.aws.org).  
levard, Rexdale, Ontario, Canada M9W 1R3 (phone: 800-463-6727 or  
in Toronto 416-747-4044, website: www.csa-international.org).  
Practice For Occupational And Educational Eye And Face Protection,  
ANSI Standard Z87.1, from American National Standards Institute, 11  
West 42nd Street, New York, NY 10036–8002 (phone: 212-642-4900,  
website: www.ansi.org).  
Standard for Fire Prevention During Welding, Cutting, and Other Hot  
Work, NFPA Standard 51B, from National Fire Protection Association,  
P.O. Box 9101, 1 Battery March Park, Quincy, MA 02269-9101 (phone:  
NationalElectrical Code, NFPA Standard 70, from National Fire Protec-  
tion Association, P.O. Box 9101, 1 Battery March Park, Quincy, MA  
sparky.org).  
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1,  
from Compressed Gas Association, 1735 Jefferson Davis Highway,  
Suite 1004, Arlington, VA 22202-4102 (phone: 703-412-0900, website:  
www.cganet.com).  
Code for Safety in Welding and Cutting, CSA Standard W117.2, from  
CanadianStandards Association, Standards Sales, 178 Rexdale Bou-  
OSHA, Occupational Safety and Health Standards for General Indus-  
try, Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q,  
and Part 1926, Subpart J, from U.S. Government Printing Office, Super-  
intendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250 (there  
are 10 Regional Offices—phone for Region 5, Chicago, is  
312-353-2220,website: www.osha.gov).  
1-8. EMF Information  
Considerations About Welding And The Effects Of Low Frequency  
Electric And Magnetic Fields  
To reduce magnetic fields in the workplace, use the following  
procedures:  
1. Keep cables close together by twisting or taping them.  
2. Arrange cables to one side and away from the operator.  
3. Do not coil or drape cables around your body.  
4. Keep welding power source and cables as far away from  
operator as practical.  
5. Connect work clamp to workpiece as close to the weld as  
possible.  
Welding current, as it flows through welding cables, will cause electro-  
magnetic fields. There has been and still is some concern about such  
fields. However, after examining more than 500 studies spanning 17  
years of research, a special blue ribbon committee of the National  
Research Council concluded that: “The body of evidence, in the  
committees judgment, has not demonstrated that exposure to power-  
frequency electric and magnetic fields is a human-health hazard.”  
However, studies are still going forth and evidence continues to be  
examined.Until the final conclusions of the research are reached, you  
may wish to minimize your exposure to electromagnetic fields when  
welding or cutting.  
About Pacemakers:  
Pacemaker wearers consult your doctor first. If cleared by your doctor,  
then following the above procedures is recommended.  
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SECTION 2 CONSIGNES DE SÉCURITÉ LIRE AVANT  
UTILISATION  
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2-1. Signification des symboles  
Signifie Mise en garde ! Soyez vigilant ! Cette procédure  
présente des risques de danger ! Ceux-ci sont identifiés par  
des symboles adjacents aux directives.  
Ce groupe de symboles si-  
gnifie Mise en garde  
Soyez vigilant ! Il y a des  
risques de danger reliés  
!
Y
Identifie un message de sécurité particulier.  
aux CHOCS ÉLECTRIQUES, aux PIÈCES EN MOUVEMENT et aux  
PIÈCES CHAUDES. Reportez-vous aux symboles et aux directives ci-des-  
sous afin de connaître les mesures à prendre pour éviter tout danger.  
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2-2. Dangers relatifs au soudage à l’arc  
D
D
En effectuant les raccordements d’entrée fixer d’abord le conducteur de  
mise à la terre approprié et contre-vérifier les connexions.  
Y
Les symboles présentés ci-après sont utilisés tout au long du  
présent manuel pour attirer votre attention et identifier les ris-  
ques de danger. Lorsque vous voyez un symbole, soyez  
vigilant et suivez les directives mentionnées afin d’éviter tout  
danger. Les consignes de sécurité présentées ci-après ne font  
que résumer l’information contenue dans les normes de sécu-  
rité énumérées à la section 2-6 . Veuillez lire et respecter toutes  
ces normes de sécurité.  
Vérifier fréquemment le cordon d’alimentation pour voir s’il n’est pas en-  
dommagé ou dénudé remplacer le cordon immédiatement s’il est  
endommagé un câble dénudé peut provoquer une électrocution.  
D
D
Mettre l’appareil hors tension quand on ne l’utilise pas.  
Ne pas utiliser des câbles usés, endommagés, de grosseur insuffisante ou  
mal épissés.  
D
D
Ne pas enrouler les câbles autour du corps.  
Y
Y
L’installation, l’utilisation, l’entretien et les réparations ne  
doivent être confiés qu’à des personnes qualifiées.  
Si la pièce soudée doit être mise à la terre, le faire directement avec un  
câble distinct ne pas utiliser le connecteur de pièce ou le câble de retour.  
D
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Ne pas toucher l’électrode quand on est en contact avec la pièce, la terre ou  
une électrode provenant d’une autre machine.  
Au cours de l’utilisation, tenir toute personne à l’écart et plus  
particulièrement les enfants.  
N’utiliser qu’un matériel en bon état. Réparer ou remplacer sur-le-champ  
les pièces endommagées. Entretenir l’appareil conformément à ce  
manuel.  
UN CHOC ÉLECTRIQUE peut tuer.  
D
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Porter un harnais de sécurité quand on travaille en hauteur.  
Maintenir solidement en place tous les panneaux et capots.  
Un simple contact avec des pièces électriques peut  
provoquer une électrocution ou des blessures graves.  
L’électrode et le circuit de soudage sont sous tension dès  
que l’appareil est sur ON. Le circuit d’entrée et les circuits  
internes de l’appareil sont également sous tension à ce  
Fixer le câble de retour de façon à obtenir un bon contact métal-métal avec  
la pièce à souder ou la table de travail, le plus près possible de la soudure.  
D
Isoler la pince de masse quand pas mis à la pièce pour éviter le contact  
avec tout objet métallique.  
moment-là. En soudage semi-automatique ou automatique, le fil, le dévidoir, le  
logement des galets d’entraînement et les pièces métalliques en contact avec  
le fil de soudage sont sous tension. Des matériels mal installés ou mal mis à la  
terre présentent un danger.  
Une tension DC importante subsiste à l’intérieur  
des onduleurs après avoir coupé l’alimentation.  
D
Couper l’alimentation du poste et décharger les condensateurs d’entrée  
comme indiqué dans la Section Maintenance avant de toucher des compo-  
sants.  
D
D
Ne jamais toucher les pièces électriques sous tension.  
Porter des gants et des vêtements de protection secs ne comportant pas  
de trous.  
LES FUMÉES ET LES GAZ peuvent  
être dangereux.  
D
S’isoler de la pièce et de la terre au moyen de tapis ou d’autres moyens iso-  
lants suffisamment grands pour empêcher le contact physique éventuel  
avec la pièce ou la terre.  
Le soudage génère des fumées et des gaz. Leur inhalation  
peut être dangereux pour votre santé.  
D
D
D
Ne pas se servir de source électrique àcourant électrique dans les zones  
humides, dans les endroits confinés ou là où on risque de tomber.  
Se servir d’une source électrique àcourant électrique UNIQUEMENT si le  
procédé de soudage le demande.  
D
D
Eloigner votre tête des fumées. Ne pas respirer les fumées.  
Si l’utilisation d’une source électrique àcourant électrique s’avère néces-  
saire, se servir de la fonction de télécommande si l’appareil en est équipé.  
À l’interieur, ventiler la zone et/ou utiliser un échappement au niveau de  
l’arc pour l’évacuation des fumées et des gaz de soudage.  
D
D
Si la ventilation est insuffisante, utiliser un respirateur à alimentation d’air  
homologué.  
D
Des précautions de sécurité supplémentaires sont requises dans des envi-  
ronnements à risque comme: les endroits humides ou lorsque l’on porte  
des vêtements mouillés; sur des structures métalliques au sol, grillages et  
échafaudages; dans des positions assises, à genoux et allongées; ou  
quand il y a un risque important de contact accidentel avec la pièce ou le  
sol. Dans ces cas utiliser les appareils suivants dans l’ordre de préférence:  
1) un poste à souder DC semiautomatique de type CV (MIG/MAG), 2) un  
poste à souder manuel (électrode enrobée) DC, 3) un poste à souder ma-  
nuel AC avec tension à vide réduite. Dans la plupart des cas, un poste  
courant continu de type CV est recommandé. Et, ne pas travailler seul!  
Lire les spécifications de sécurité des matériaux (MSDSs) et les instruc-  
tions du fabricant concernant les métaux, les consommables, les  
revêtements, les nettoyants et les dégraisseurs.  
D
Travailler dans un espace fermé seulement s’il est bien ventilé ou en por-  
tant un respirateur à alimentation d’air. Demander toujours à un surveillant  
dûment formé de se tenir à proximité. Des fumées et des gaz de soudage  
peuvent déplacer l’air et abaisser le niveau d’oxygène provoquant des  
blessures ou des accidents mortels. S’assurer que l’air de respiration ne  
présente aucun danger.  
D
D
Ne pas souder dans des endroits situés à proximité d’opérations de dé-  
graissage, de nettoyage ou de pulvérisation. La chaleur et les rayons de  
l’arc peuvent réagir en présence de vapeurs et former des gaz hautement  
toxiques et irritants.  
D
Couper l’alimentation ou arrêter le moteur avant de procéder à l’installation,  
à la réparation ou à l’entretien de l’appareil. Déverrouiller l’alimentation  
selon la norme OSHA 29 CFR 1910.147 (voir normes de sécurité).  
D
D
Installer et mettre à la terre correctement cet appareil conformément à son  
manuel d’utilisation et aux codes nationaux, provinciaux et municipaux.  
Ne pas souder des métaux munis d’un revêtement, tels que l’acier galvani-  
sé, plaqué en plomb ou au cadmium à moins que le revêtement n’ait été  
enlevé dans la zone de soudure, que l’endroit soit bien ventilé, et si néces-  
saire, en portant un respirateur à alimentation d’air. Les revêtements et  
tous les métaux renfermant ces éléments peuvent dégager des fumées  
toxiques en cas de soudage.  
Toujours vérifier la terre du cordon d’alimentation Vérifier et s’assurer que  
le fil de terre du cordon d’alimentation est bien raccordé à la borne de terre  
du sectionneur ou que la fiche du cordon est raccordée à une prise  
correctement mise à la terre.  
OM-494 Page 5  
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D
Suivre les recommandations dans OSHA 1910.252(a)(2)(iv) et NFPA 51B  
pour les travaux à chaud et avoir de la surveillance et un extincteur à proxi-  
mité.  
LES ACCUMULATIONS DE GAZ ris-  
quent de provoquer des blessures ou  
même la mort.  
DES PARTICULES VOLANTES  
peuvent blesser les yeux.  
D
Fermer l’alimentation du gaz protecteur en cas de  
non utilisation.  
D
Le soudage, l’écaillement, le passage de la pièce  
à la brosse en fil de fer, et le meulage génèrent  
des étincelles et des particules métalliques vo-  
D
Veiller toujours à bien aérer les espaces confinés ou se servir d’un respi-  
rateur d’adduction d’air homologué.  
lantes. Pendant la période de refroidissement des soudures, elles ris-  
quent de projeter du laitier.  
LES RAYONS DE L’ARC peuvent pro-  
voquer des brûlures dans les yeux et  
sur la peau.  
Le rayonnement de l’arc du procédé de soudage génère  
des rayons visibles et invisibles intenses (ultraviolets et  
D
Porter des lunettes de sécurité avec écrans latéraux ou un écran facial.  
DES PIÈCES CHAUDES peuvent  
provoquer des brûlures graves.  
infrarouges) susceptibles de provoquer des brûlures dans les yeux et sur la  
peau. Des étincelles sont projetées pendant le soudage.  
D
Prévoir une période de refroidissement avant d’effec-  
tuer des travaux d’entretien.  
D
Porter un casque de soudage muni d’un écran de filtre approprié pour pro-  
téger votre visage et vos yeux pendant le soudage ou pour regarder (voir  
ANSI Z49.1 et Z87.1 énuméré dans les normes de sécurité).  
D
Porter des gants et des vêtements de protection pour  
travailler sur un moteur chaud.  
D
Ne pas toucher à mains nues les parties chaudes du moteur ni les pièces  
récemment soudées.  
D
D
D
Porter des protections approuvés pour les oreilles si le niveau sondre est  
trop élevé.  
Utiliser des écrans ou des barrières pour protéger des tiers de l’éclair et de  
l’éblouissement; demander aux autres personnes de ne pas regarder l’arc.  
LE BRUIT peut affecter l’ouïe.  
Porter des vêtements de protection constitué dans une matière durable, ré-  
sistant au feu (laine ou cuir) et une protection des pieds.  
Le bruit des processus et des équipements peut affecter  
l’ouïe.  
LE SOUDAGE peut provoquer un in-  
cendie ou une explosion.  
D
Porter des protections approuvés pour les oreilles si  
le niveau sondre est trop élevé.  
Le soudage effectué sur des conteneurs fermés tels que  
des réservoirs, tambours ou des conduites peut provoquer  
leur éclatement. Des étincelles peuvent être projetées de  
LES CHAMPS MAGNÉTIQUES peuvent  
affecter les stimulateurs cardiaques.  
l’arc de soudure. La projection d’étincelles, des pièces chaudes et des  
équipements chauds peut provoquer des incendies et des brûlures. Le contact  
accidentel de l’électrode avec des objets métalliques peut provoquer des  
étincelles, une explosion, un surchauffement ou un incendie. Avant de  
commencer le soudage, vérifier et s’assurer que l’endroit ne présente pas de  
danger.  
D
D
Porteurs de stimulateur cardiaque, restez à distance.  
Les porteurs d’un stimulateur cardiaque doivent  
d’abord consulter leur médecin avant de s’approcher  
des opérations de soudage à l’arc, de gougeage ou  
de soudage par points.  
D
D
D
Se protéger et d’autres personnes de la projection d’étincelles et de métal  
chaud.  
Si des BOUTEILLES sont endomma-  
gées, elles pourront exploser.  
Des bouteilles de gaz protecteur contiennent du gaz sous  
haute pression. Si une bouteille est endommagée, elle peut  
exploser. Du fait que les bouteilles de gaz font normale-  
ment partie du procédé de soudage, les manipuler avec  
précaution.  
Ne pas souder dans un endroit là où des étincelles peuvent tomber sur des  
substances inflammables.  
Déplacer toutes les substances inflammables à une distance de 10,7 m de  
l’arc de soudage. En cas d’impossibilité les recouvrir soigneusement avec  
des protections homologués.  
D
Des étincelles et des matériaux chauds du soudage peuvent facilement  
passer dans d’autres zones en traversant de petites fissures et des  
ouvertures.  
D
Protéger les bouteilles de gaz comprimé d’une chaleur excessive, des  
chocs mécaniques, du laitier, des flammes ouvertes, des étincelles et des  
arcs.  
Placer les bouteilles debout en les fixant dans un support stationnaire ou  
dans un porte-bouteilles pour les empêcher de tomber ou de se renverser.  
Tenir les bouteilles éloignées des circuits de soudage ou autres circuits  
électriques.  
Ne jamais placer une torche de soudage sur une bouteille à gaz.  
Une électrode de soudage ne doit jamais entrer en contact avec une bou-  
teille.  
Ne jamais souder une bouteille pressurisée risque d’explosion.  
Utiliser seulement des bouteilles de gaz protecteur, régulateurs, tuyaux et  
raccords convenables pour cette application spécifique; les maintenir ainsi  
que les éléments associés en bon état.  
Ne pas tenir la tête en face de la sortie en ouvrant la soupape de la bouteille.  
Maintenir le chapeau de protection sur la soupape, sauf en cas d’utilisation  
ou de branchement de la bouteille.  
Lire et suivre les instructions concernant les bouteilles de gaz comprimé,  
les équipements associés et les publication P-1 CGA énumérées dans les  
normes de sécurité.  
D
D
Surveiller tout déclenchement d’incendie et tenir un extincteur à proximité.  
D
D
Le soudage effectué sur un plafond, plancher, paroi ou séparation peut dé-  
clencher un incendie de l’autre côté.  
D
D
Ne pas effectuer le soudage sur des conteneurs fermés tels que des réser-  
voirs, tambours, ou conduites, à moins qu’ils n’aient été préparés  
correctement conformément à AWS F4.1 (voir les normes de sécurité).  
D
D
Brancher le câble sur la pièce le plus près possible de la zone de soudage  
pour éviter le transport du courant sur une longue distance par des che-  
mins inconnus éventuels en provoquant des risques d’électrocution et  
d’incendie.  
D
D
D
D
Ne pas utiliser le poste de soudage pour dégeler des conduites gelées.  
En cas de non utilisation, enlever la baguette d’électrode du porte-électro-  
de ou couper le fil à la pointe de contact.  
D
D
D
D
Porter des vêtements de protection dépourvus d’huile tels que des gants  
en cuir, une chemise en matériau lourd, des pantalons sans revers, des  
chaussures hautes et un couvre chef.  
D
Avant de souder, retirer toute substance combustible de vos poches telles  
qu’un allumeur au butane ou des allumettes.  
2-3. Dangers existant en relation avec le moteur  
LES ACCUMULATIONS DE GAZ ris-  
quent de provoquer des blessures ou  
même la mort.  
L’ACIDE DE LA BATTERIE peut pro-  
voquer des brûlures dans les YEUX et  
sur la PEAU.  
D
Fermer l’alimentation du gaz protecteur en cas de  
non utilisation.  
D
D
D
Ne pas renverser la batterie.  
Remplacer une batterie endommagée.  
Rincer immédiatement les yeux et la peau à l’eau.  
D
Veiller toujours à bien aérer les espaces confinés ou se servir d’un respi-  
rateur d’adduction d’air homologué.  
OM-494 Page 6  
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D
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Pour empêcher tout démarrage accidentel pendant les travaux d’entretien,  
L’EXPLOSION DE LA BATTERIE peut  
RENDRE AVEUGLE.  
débrancher le câble négatif () de batterie de la borne.  
Ne pas approcher les mains, cheveux, vêtements lâches et outils des orga-  
nes mobiles.  
D
Toujours porter une protection faciale, des gants en  
caoutchouc et vêtements de protection lors d’une in-  
tervention sur la batterie.  
Remettre en place les panneaux ou les dipositifs de protection et fermer les  
portes à la fin des travaux d’entretien et avant de faire démarrer le moteur.  
Avant d’intervenir, déposer les bougies ou injecteurs pour éviter la mise en  
route accidentelle du moteur.  
D
D
D
Arrêter le moteur avant de débrancher ou de brancher les câbles de  
batterie.  
Bloquer le volant moteur pour éviter sa rotation lors d’une intervention sur le  
générateur.  
Eviter de provoquer des étincelles avec les outils en travaillant sur la  
batterie.  
LA VAPEUR ET LE LIQUIDE DE  
REFROIDISSEMENT CHAUD peuvent  
provoquer des brûlures.  
Ne pas utiliser le poste de soudage pour charger les batteries ou des véhi-  
cules de démarrage rapide.  
D
D
Observer la polarité correcte (+ et ) sur les batteries.  
Débrancher le câble négatif (–) en premier lieu. Le rebrancher en dernier  
lieu.  
D
Il est préférable de vérifier le liquide de  
refroidissement une fois le moteur refroidi pour éviter  
de se brûler.  
LE CARBURANT MOTEUR peut pro-  
voquer un incendie ou une explosion.  
D
Toujours vérifier le niveau de liquide de refroidissement dans le vase d’ex-  
pansion (si présent), et non dans le radiateur (sauf si précisé autrement  
dans la section maintenance du manuel du moteur).  
D
Arrêter le moteur avant de vérifier le niveau de carbu-  
rant ou de faire le plein.  
D
D
D
Si le moteur est chaud et que le liquide doit être vérifié, opérer comme sui-  
vant :  
D
Ne pas faire le plein en fumant ou proche d’une sour-  
ce d’étincelles ou d’une flamme nue.  
Mettre des lunettes de sécurité et des gants, placer un torchon sur le bou-  
chon du radiateur.  
D
Ne pas faire le plein de carburant à ras bord; prévoir de l’espace pour son  
expansion.  
Faire attention de ne pas renverser de carburant. Nettoyer tout carbu-  
rant renversé avant de faire démarrer le moteur.  
Dévisser le bouchon légèrement et laisser la vapeur s’échapper avant  
d’enlever le bouchon.  
D
D
LA CHALEUR DU MOTEUR peut pro-  
voquer un incendie.  
Jeter les chiffons dans un récipient ignifuge.  
D
Ne pas placer l’appareil sur, au-dessus ou à proximité  
de surfaces inflammables.  
DES ORGANES MOBILES peuvent  
provoquer des blessures.  
D
Tenir  
à
distance les produits inflammables de  
l’échappement.  
D
Ne pas approcher les mains des ventilateurs, cour-  
roies et autres pièces en mouvement.  
LES ÉTINCELLES À L’ÉCHAPPEMENT  
peuvent provoquer un incendie.  
D
Maintenir fermés et fixement en place les portes,  
panneaux, recouvrements et dispositifs de  
protection.  
D
Empêcher les étincelles d’échappement du moteur  
de provoquer un incendie.  
Utiliser uniquement un pare-étincelles approuvé −  
voir codes en vigueur.  
D
Arrêter le moteur avant d’installer ou brancher l’appareil.  
D
Demander seulement à un personnel qualifié d’enlever les dispositifs de  
sécurité ou les recouvrements pour effectuer, s’il y a lieu, des travaux d’en-  
tretien et de dépannage.  
D
2-4. Dangers liés à l’air comprimé  
Le METAL CHAUD lors du coupage et  
gougeage plasma peut provoquer un in-  
cendie ou une explosion.  
RESPIRER L’AIR COMPRIMÉ peut pro-  
voquer des blessures graves ou causer  
la mort.  
D
Ne pas utiliser l’air comprimé pour respirer.  
D
Ne pas couper ou gouger à proximité de produits  
inflammables.  
D
Utiliser l’air comprimé seulement pour le coupa-  
ge, gougeage et les outils pneumatiques.  
D
Surveillez et garder un extincteur à proximité.  
L’AIR COMPRIMÉ peut provoquer  
des blessures.  
DES PIECES CHAUDES peuvent provo-  
quer des brûlures et blessures.  
D
Porter des lunettes de sécurité approuvées.  
D
Ne pas toucher le compresseur ou d’autres élé-  
ments du circuit air comprimé chauds.  
D
Ne pas diriger le jet d’air vers d’autres ou soi  
même.  
D
Laisser l’ensemble se refroidir avant de toucher  
ou d’effectuer la maintenance.  
L’AIR COMPRIME EMMAGASINE ET DES  
TUYAUX SOUS PRESSION peuvent provo-  
quer des blessures.  
LIRE LES INSTRUCTIONS.  
D
Relâcher la pression d’air de l’outillage ou du sys-  
tème avant d’effectuer la maintenance, avant de  
changer ou de rajouter des éléments ou avant  
d’ouvrir la purge ou le bouchon de remplissage  
d’huile.  
D
Lisez le manuel d’instructions avant l’utilisation  
ou la maintenance de l’appareil.  
Arrêter le moteur et relâcher la pression avant  
d’effectuer la maintenance.  
D
2-5. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la  
maintenance  
D
Utiliser un équipement de levage de capacité suffisante pour lever  
l’appareil.  
En utilisant des fourches de levage pour déplacer l’unité, s’assurer  
que les fourches sont suffisamment longues pour dépasser du côté  
opposé de l’appareil.  
LA CHUTE DE L’APPAREIL peut  
blesser.  
D
D
Utiliser l’anneau de levage uniquement pour soulever  
l’appareil lui-même ; sans chariot, de bouteilles de  
gaz, remorque, ou autres accessoires.  
OM-494 Page 7  
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LE SURCHAUFFEMENT peut endom-  
mager le moteur électrique.  
LIRE LES INSTRUCTIONS.  
D
D
Utiliser seulement les pièces de rechange d’origine.  
Effectuer la maintenance du moteur et du compres-  
seur (si applicable) suivant ce manuel et le manuel du  
moteur/compresseur (si applicable).  
D
Arrêter ou déconnecter l’équipement avant de dé-  
marrer ou d’arrêter le moteur.  
D
Ne pas laisser tourner le moteur trop lentement sous  
risque d’endommager le moteur électrique à cause  
d’une tension et d’une fréquence trop faibles.  
LE RAYONNEMENT HAUTE FRÉ-  
QUENCE (H.F.) risque de provoquer  
des interférences.  
D
Ne pas brancher de moteur de 50 ou de 60 Hz à la prise de 100 Hz, s’il y a  
lieu.  
LES ÉTINCELLES VOLANTES ris-  
quent de provoquer des blessures.  
D
Le rayonnement haute fréquence (H.F.) peut  
provoquer des interférences avec les équipements  
de radionavigation et de communication, les  
services de sécurité et les ordinateurs.  
D
Porter un écran facial pour protéger le visage et les  
yeux.  
D
D
Demander seulement à des personnes qualifiées familiarisées avec des  
équipements électroniques de faire fonctionner l’installation.  
L’utilisateur est tenu de faire corriger rapidement par un électricien quali-  
fié les interférences résultant de l’installation.  
Si le FCC signale des interférences, arrêter immédiatement l’appareil.  
Effectuer régulièrement le contrôle et l’entretien de l’installation.  
Maintenir soigneusement fermés les portes et les panneaux des sources  
de haute fréquence, maintenir les éclateurs à une distance correcte et  
utiliser une terre et et un blindage pour réduire les interférences  
éventuelles.  
D
D
Affuterr l’électrode au tungstène uniquement à la meuleuse dotée de pro-  
tecteurs. Cette manoeuvre est à exécuter dans un endroit sûr lorsque  
l’on porte l’équipement homologué de protection du visage, des mains et  
du corps.  
Les étincelles risquent de causer un incendie éloigner toute substance  
inflammable.  
D
D
D
L’EMPLOI EXCESSIF peut  
SURCHAUFFER L’ÉQUIPEMENT.  
D
D
D
Laisser l’équipement refroidir ; respecter le facteur de  
marche nominal.  
Réduire le courant ou le facteur de marche avant de  
poursuivre le soudage.  
LE SOUDAGE À L’ARC risque de  
provoquer des interférences.  
Ne pas obstruer les passages d’air du poste.  
D
L’énergie électromagnétique risque de provoquer  
des interférences pour l’équipement électronique  
sensible tel que les ordinateurs et l’équipement com-  
mandé par ordinateur tel que les robots.  
LES CHARGES ÉLECTROSTATI-  
QUES peuvent endommager les  
circuits imprimés.  
D
D
Veiller à ce que tout l’équipement de la zone de soudage soit compatible  
électromagnétiquement.  
Pour réduire la possibilité d’interférence, maintenir les câbles de souda-  
ge aussi courts que possible, les grouper, et les poser aussi bas que pos-  
sible (ex. par terre).  
Veiller à souder à une distance de 100 mètres de tout équipement élec-  
tronique sensible.  
Veiller à ce que ce poste de soudage soit posé et mis à la terre conformé-  
ment à ce mode d’emploi.  
En cas d’interférences après avoir pris les mesures précédentes, il in-  
combe à l’utilisateur de prendre des mesures supplémentaires telles que  
le déplacement du poste, l’utilisation de câbles blindés, l’utilisation de fil-  
tres de ligne ou la pose de protecteurs dans la zone de travail.  
D
Établir la connexion avec la barrette de terre avant de  
manipuler des cartes ou des pièces.  
D
Utiliser des pochettes et des boîtes antistatiques  
pour stocker, déplacer ou expédier des cartes de  
circuits imprimes.  
D
D
D
UNE REMORQUE QUI BASCULE peut  
entraîner des blessures.  
D
Utiliser les supports de la remorque ou des blocs  
pour soutenir le poids.  
D
Installer convenablement le poste sur la remorque  
comme indiqué dans le manuel s’y rapportant.  
2-6. Principales normes de sécurité  
Safety in Welding, Cutting, and Allied Processes, norme ANSI Z49.1, de  
l’American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126 (télé-  
phone : (305) 4439353, site Web : www.aws.org).  
Rexdale (Ontario) Canada M9W 1R3 (téléphone : (800) 4636727 ou à To-  
ronto : (416) 7474044, site Web : www.csainternational.org).  
Practice For Occupational And Educational Eye And Face Protection,  
norme ANSI Z87.1, de l’American National Standards Institute, 11 West  
42nd Street, New York, NY 100368002 (téléphone : (212) 6424900, site  
Web : www.ansi.org).  
Recommended Safe Practices for the Preparation for Welding and Cutting  
of Containers and Piping, norme American Welding Society AWS F4.1, de  
l’American Welding Society, 550 N.W. LeJeune Rd, Miami, FL 33126 (télé-  
phone : (305) 4439353, site Web : www.aws.org).  
Standard for Fire Prevention During Welding, Cutting, and Other Hot Work,  
norme NFPA 51B, de la National Fire Protection Association, P.O. Box  
9101, 1 Battery March Park, Quincy, MA 022699101 (téléphone : (617)  
National Electrical Code, norme NFPA 70, de la National Fire Protection As-  
sociation, P.O. Box 9101, 1 Battery March Park, Quincy, MA 022699101  
Safe Handling of Compressed Gases in Cylinders, brochure CGA P1, de  
la Compressed Gas Association, 1735 Jefferson Davis Highway, Suite  
1004, Arlington, VA 222024102 (téléphone : (703) 4120900, site Web :  
www.cganet.com).  
OSHA, Occupational Safety and Health Standards for General Industry,  
Title 29, Code of Federal Regulations (CFR), Part 1910, Subpart Q, and  
Part 1926, Subpart J, de l’U.S. Government Printing Office, Superintendent  
of Documents, P.O. Box 371954, Pittsburgh, PA 15250 (il y a 10 bureaux  
régionaux Téléphone pour la Région 5, Chicago : (312) 3532220, site  
Web : www.osha.gov).  
Code for Safety in Welding and Cutting, norme CSA W117.2, de la Cana-  
dian Standards Association, Standards Sales, 178 boulevard Rexdale,  
2-7. Information sur les champs électromagnétiques  
Données sur le soudage électrique et les effets des champs magnétiques  
basse fréquence sur l’organisme  
Afin de réduire les champs électromagnétiques en milieu de travail, respec-  
ter les consignes suivantes :  
En parcourant les câbles de soudage, le courant crée des champs électro-  
magnétiques. Les effets potentiels de tels champs restent préoccupants.  
Cependant, après avoir examiné plus de 500 études qui ont été faites pen-  
dant une période de recherche de 17 ans, un comité de spécialistes du  
National Research Council a conclu : « L’accumulation de preuves n’a pas  
démontré que l’exposition aux champs magnétiques et aux champs électri-  
ques à haute fréquence constitue un risque pour la santé humaine ».  
Toutefois, les études et l’examen des preuves se poursuivent. En attendant  
les conclusions finales de la recherche, il serait souhaitable de réduire l’ex-  
position aux champs électromagnétiques pendant le soudage ou le  
coupage.  
1. Garder les câbles ensemble en les torsadant ou en les fixant avec du  
ruban adhésif.  
2. Mettre tous les câbles du côté opposé à l’opérateur.  
3. Ne pas s’enrouler les câbles autour du corps.  
4. Garder le poste de soudage et les câbles le plus loin possible de soi.  
5. Placer la pince de masse le plus près possible de la zone de soudage.  
Consignes relatives aux stimulateurs cardiaques :  
Les personnes qui portent un stimulateur cardiaque doivent avant tout  
consulter leur médecin. Si ce dernier les déclare aptes, il leur est recom-  
mandé de respecter les consignes ci-dessus.  
OM-494 Page 8  
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SECTION 3 DEFINITIONS  
3-1. Symbols And Definitions  
Stop Engine  
Start Engine  
Ether Starting Aid  
Circuit Breaker  
Engine  
Do Not Switch  
While Welding  
Or Under Load  
Battery (Engine)  
Engine Oil  
Check Injectors/  
Pump  
Check Valve  
Clearance  
Protective Earth  
(Ground)  
Fuel  
Certified/Trained  
Mechanic  
Positive  
Negative  
Welding Arc  
Remote  
Amperes  
Volts  
Panel/Local  
A V  
Alternating  
Current  
On  
Temperature  
Output (Contactor)  
Stick (SMAW)  
Welding  
TIG (GTAW)  
Welding  
MIG (GMAW)  
Welding  
Three Phase  
Single Phase  
3
1
Time  
Hours  
Seconds  
h
s
Read Operator’s  
Manual  
OM-494 Page 9  
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SECTION 4 SPECIFICATIONS  
4-1. Description  
This unit has two CC/CV modules with separate weld controls for applications where two welding arcs are needed. A  
the unit is operated in the dual operator mode, each welder has CC and CV weld output available for Stick, TIG, and  
MIG welding. When in the single operator mode, CC weld output is available to the welder on the Welder B (right) side  
only (CV not active in single operator mode).  
4-2. Weld, Power, And Engine Specifications  
Max.  
Weld  
Stations  
Available  
Weld  
Output  
Range  
Rated  
Welding  
Output  
Weld  
Mode  
Weld  
Output  
Open-  
Circuit  
Voltage  
Generator Power  
Rating  
Fuel  
Capacity  
Engine  
550 A at 30  
Volts DC, 40%  
Duty Cycle  
1
Single-Phase,  
4 kVA/kW, 34/17 A,  
120/240 V AC,  
50/60 Hz  
Single  
Dual  
CC/DC  
30 600 A  
85  
Deutz F3L-912  
Air-Cooled,  
Three-Cylinder,  
41.5 HP Diesel  
Engine  
(Right Side)  
22.3 gal  
(84.4 L)  
CC/DC  
CV/DC  
15 300 A  
85  
49  
275 A at 31  
Volts DC, 40%  
Duty Cycle  
2
(4 kVA/kW Shared By  
All Receptacles)  
(Both Sides)  
10 32 V  
4-3. Dimensions, Weights, And Operating Angles  
Dimensions  
Height  
47-5/8 in (1210 mm)  
31-1/4 in (794 mm)  
60-1/2 in (1537 mm)  
59-1/8 in (1502 mm)  
47-1/4 in (1200 mm)  
43-1/4 in (1099 mm)  
32-3/4 in (832 mm)  
24-15/16in (633 mm)  
10-1/2 in (267 mm)  
6-1/2 in (165 mm)  
2-7/8 in (73 mm)  
L
Width  
Y
Y
Do not exceed tilt angles or engine could  
be damaged or unit could tip.  
Engine End  
Depth  
A
B
C
D
E
F
Do not move or operate unit where it could  
tip.  
A
C
B
D
G
H
J
E
17.5°  
F
17.5°  
29-7/8 in (759 mm)  
11/16 in (24 mm)  
20°  
20°  
G
K
H
K
J
21/32 in (17 mm) Dia.  
16 Holes  
L
angles_1 8/99  
158 699  
Weight  
2005 lb (909 kg)  
OM-494 Page 10  
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4-4. Fuel Consumption  
The curve shows typical fuel use un-  
der the combined weld loads of both  
sides (Welder A and Welder B).  
7.57  
6.62  
5.67  
4.73  
3.78  
2.84  
1.98  
0.95  
1.70 2.00  
1.46 1.75  
1.25 1.50  
1.04 1.25  
0.83 1.00  
0.62 0.75  
0.40 0.50  
0.21 0.25  
0
CC  
CV  
0
50 100 150 200 250 300 350 400 450 500 550 600  
DC WELD AMPERES AT 40% DUTY CYCLE  
195 711  
4-5. AC Generator Power  
The ac power curve shows the gen-  
erator power in amperes available  
at the 120 and 240 volt receptacles.  
150 300  
125 250  
100 200  
75 150  
50 100  
25 50  
0
0
0
0
5
10  
15  
20  
25  
50  
30  
60  
AC AMPERES IN 240V MODE  
10  
20 30 40  
AC AMPERES IN 120V MODE  
193 018  
OM-494 Page 11  
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4-6. Duty Cycle And Overheating  
Duty Cycle is percentage of 10 min-  
utes that unit can weld at rated load  
without overheating.  
Y
Exceeding duty cycle can  
damage unit and void  
warranty.  
Dual Operator Mode 40% Duty Cycle At 275 Amperes From Each Side  
Single Operator Mode 40% Duty Cycle At 550 Amperes From Welder B side (Right)  
If a weld module overheats, the  
High Temperature light goes on and  
the thermostat opens to stop weld  
output to that module. Wait fifteen  
minutes for module to cool. Reduce  
amperage, voltage, or duty cycle  
before welding.  
4 Minutes Welding  
6 Minutes Resting  
This unit has separate duty cycle  
ratings for each operating mode. If  
the unit is operated in the dual oper-  
ator mode, the unit is rated at 40%  
duty cycle. This means each side of  
the unit can be operated at 275 am-  
peres at 40% duty cycle.  
When the unit is operated in the  
single operator mode, the WelderB  
side (right) is rated at 40% duty  
cycle (550 A at 40% duty cycle).  
Overheating  
A or V  
0
15  
OR  
Reduce Duty Cycle  
Minutes  
Ref. rduty1 5/95 194 313-A  
OM-494 Page 12  
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4-7. Volt-Ampere Curves  
The volt-ampere curve shows the  
minimum, medium, and maximum  
voltage and amperage output capa-  
bilities of the welding generator.  
Curves of all other settings fall be-  
tween the curves shown.  
A. CC/DC Single Mode  
100  
80  
60  
MIN  
MED  
MAX  
40  
20  
0
0
100 200 300 400 500 600 700 800 900 1000  
DC AMPERES  
B. CC/DC Dual Mode  
100  
80  
MIN  
MED  
MAX  
60  
40  
20  
0
0
50 100 150 200 250 300 350 400 450 500  
DC AMPERES  
C. CV/DC Mode  
100  
80  
60  
40  
MAX  
MED  
MIN  
20  
0
0
100 200 300 400 500 600 700 800 900 1000  
DC AMPERES  
194 397 / 194 398 / 194 399  
OM-494 Page 13  
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SECTION 5 INSTALLATION  
When facing the front panel, the Welder B controls and weld terminals are on the  
right and the Welder A controls and weld terminals are on the left.  
NOTE  
5-1. Installing Welding Generator  
Movement  
Airflow Clearance  
Location  
18 in  
(460 mm)  
Y
Do Not Lift Unit From End  
18 in  
(460 mm)  
18 in  
(460 mm)  
OR  
OR  
18 in  
(460 mm)  
18 in  
(460 mm)  
Grounding  
Y
Y
Always securely fasten welding  
generator onto transport vehicle  
or trailer and comply with all DOT  
and other applicable codes.  
1
2
GND/PE  
Always ground generator frame  
to vehicle frame to prevent elec-  
tric shock and static electricity  
hazards.  
Y
If unit does not have GFCI recep-  
tacles, use GFCI-protected ex-  
tension cord.  
1
Equipment Grounding Terminal  
(On Front Panel)  
Electrically bond generator frame to  
vehicle frame by metal-to-metal  
contact.  
2
3
Grounding Cable (Not Supplied)  
Metal Vehicle Frame  
3
Connect cable from equipment ground  
terminalto metal vehicle frame. Use #10  
AWG or larger insulated copper wire.  
Y
Bed liners, shipping skids, and some running  
gears insulate the welding generator from the  
vehicle frame. Always connect a ground wire  
from the generator equipment grounding termi-  
nal to bare metal on the vehicle frame as shown.  
Y
Be sure equipment connected to  
the 240 V receptacles is GFCI-  
protected.  
install1 11/02* Ref. ST-800 652 / Ref. ST-800 477-A / ST-158 936-A / S-0854  
Notes  
Work like a Pro!  
Pros weld and cut  
safely. Read the  
safety rules at  
the beginning  
of this manual.  
OM-494 Page 14  
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5-2. Activating The Dry Charge Battery  
Remove battery from unit.  
1
Eye Protection Safety  
Glasses Or Face Shield  
2
3
4
Rubber Gloves  
Vent Caps  
5
Sulfuric Acid Electrolyte  
(1.265 Specific Gravity)  
5
Well  
4
1
Fill each cell with electrolyte to  
bottom of well (maximum).  
3
Y
Do not overfill battery cells.  
Wait ten minutes and check electro-  
lyte level. If necessary, add electro-  
lyte to raise to proper level. Reins-  
tall vent caps.  
6
Battery Charger  
Y
Read and follow all instruc-  
tions supplied with battery  
charger.  
2
Charge battery for 12 minutes at 30  
amperes or 30 minutes at 5 am-  
peres. Disconnect charging cables  
and install battery.  
. When electrolyte is low, add  
only distilled water to cells to  
maintainproper level.  
6
5 A For 30 Minutes  
OR  
+
Tools Needed:  
30 A For 12 Minutes  
drybatt1 2/96 S-0886  
OM-494 Page 15  
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5-3. Connecting The Battery  
Y
Connect () Cable Last.  
+
190 377  
5-4. Installing Exhaust Pipe  
Y
Y
Stop engine and let cool.  
Do not blow exhaust toward  
air cleaner or air intake.  
Top View  
Tools Needed:  
1/2 in  
exh_pipe2 4/96 154 089-A / 154 611 / 190 377  
OM-494 Page 16  
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5-5. Engine Prestart Checks  
Check all fluids daily. Engine must  
be cold and on a level surface.  
Follow run-in procedure in engine  
manual.If unburned fuel and oil col-  
lect in exhaust pipe during run-in,  
see Section 10.  
1/2 in  
(13 mm)  
Fuel  
Full  
Y
Do not use gasoline. Gaso-  
line will damage engine.  
Add diesel fuel before starting  
engine the first time (see mainte-  
nance label for specifications). Fill  
fuel tank up to 1/2 in. (13 mm) from  
top to allow room for expansion.  
Open fuel shut-off valve.  
Diesel  
Do not run out of fuel or air enters  
fuel system and causes starting  
problems. See engine manual to  
bleed air from fuel system.  
Oil  
After fueling, check oil with unit on  
level surface. If oil is not up to full  
mark on dipstick, add oil (see main-  
tenance label).  
.
E
n
g
i
n
e
s
t
o
p
s
i
f
o
i
l
p
r
e
s
s
u
r
e
i
s
too low.  
.
T
o
i
m
p
r
o
v
e
c
o
l
d
w
e
a
t
h
e
r
Valve Open  
starting:  
Keep battery in good condition.  
Store battery in warm area.  
Use fuel formulated for cold  
weather (diesel fuel can gel in  
cold weather). Contact local  
fuel supplier for fuel in-  
formation.  
Full  
Use correct grade oil for cold  
weather.  
Ref. 158 633-C / S-176 697  
Notes  
Start Your Professional  
Welding Career Now!  
Over 80,000 trained  
since 1930!  
400 Trade Square East, Troy, Ohio 45373  
OM-494 Page 17  
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5-6. Safety Information For Connecting To Weld Output Terminals  
Y
UNEXPECTED WELD OUTPUT can cause injury or fire.  
D
D
Both weld outputs can be live (ON) when Welder Selector switch is in Welder A/Welder B position and engine is running.  
Disconnect or insulate any unused cables.  
D
Know where cables are located BEFORE starting engine.  
Y
ELECTRIC SHOCK can kill; ARCING can burn skin or damage electrical connections.  
D
D
Stop engine before making any weld output connections.  
Do not connect welding output of different polarities to the same structure.  
D
See ANSI Z49.1 and OSHA Title 29, Chapter XVII, Part 1910, Subpart Q (addresses at beginning of manual).  
When welding on the same workpiece, all connections to the workpiece must be of the same polarity.  
Do not handle or come in contact with two live electrodes at the same time.  
D
D
Y
ELECTRIC SHOCK can kill; TWO TIMES NORMAL OPEN-CIRCUIT VOLTS can exist between electrode holders of opposite polarity.  
D
D
D
Do not touch electrode holders of opposite polarity at the same time.  
Separate electrode holders of opposite polarity to prevent contact.  
Consult ANSI Z49.1 for common grounding safe practices.  
5-7. Weld Output Terminals  
Welder B (Right) Side  
Welder A (Left) Side  
3
2
1
1
2
3
.
D
i
n
s
e
r
e
c
e
p
t
a
c
l
e
s
o
n
l
y
o
n
u
n
i
t
s
with Polarity switch option.  
Tools Needed:  
3/4 in  
4
Ref. 190 377 / 802 292-A / 802 554  
Y
Stop engine.  
4
Dinse Weld Receptacles (Only On  
Units With Polarity Switch Option)  
connections (CC only).  
If unit has the Polarity switch option, the  
Negative () weld output terminals are la-  
beled Work receptacles and the CC weld  
output terminals are labeled Electrode re-  
ceptacles.  
1
Negative () Weld Output Terminal  
See Sections 5-8 thru 5-13 for dual operator  
output connections for CC and CV welding.  
2
3
CV Weld Output Terminal  
CC Weld Output Terminal  
See Section 5-14 for single operator output  
OM-494 Page 18  
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5-8. Making Dual Operator CC Weld Connections w/ Separate Work Cables  
Tools Needed:  
3/4 in  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B (Right) Side  
Welder A (Left) Side  
Note position  
of Process  
Selector  
switches.  
2
2
1
3
Ref. 190 377 / 802 292-A  
Y
Y
Stop engine.  
Do not exceed machine duty cycle.  
2
3
Electrode Holder Cables  
Work Cables  
CC terminals and electrode holder cables  
to Negative () terminals.  
If unit has the Polarity switch option, con-  
nect work cables to Work receptacles and  
electrodeholder cables to Electrode recep-  
tacles.  
For Stick/TIG welding Direct Current Elec-  
trode Positive (DCEP), connect work  
cables to Negative () terminals and elec-  
trode holder cables to CC terminals.  
For Stick/TIG Direct Current Electrode  
Negative (DCEN), connect work cables to  
.
U
s
e
D
u
a
l
O
p
e
r
a
t
o
r
m
o
d
e
f
o
r
C
C
a
n
d
See Section 5-15 for proper cable size.  
1
Strain Reliefs  
.
B
e
s
u
r
e
P
r
o
c
e
s
s
S
e
l
e
c
t
o
r
s
w
i
t
c
h
e
s
a
r
e
Route cables through strain reliefs.  
set correctly. See Section 6-3.  
OM-494 Page 19  
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5-9. Making Dual Operator Mode CC Weld Connections w/ Common Work Cable  
Tools Needed:  
3/4 in  
Y
INADEQUATE CABLE CONNECTIONS can cause serious damage to welding generator and create a hazardous condition.  
When making weld connections with a common work cable, connect a weld cable of adequate size between the Negative () weld termi-  
nals, and connect a single weld cable of adequate size from the Welder B (right) Negative () terminal to the workpiece.  
When using these connections as a common work terminal, all connections must be of the same polarity.  
for proper cable size).  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B (Right) Side  
Welder A (Left) Side  
Note position  
of Process  
Selector  
switches.  
1
4
2
2
3
Ref. 190 377 / 802 292-A  
Y
Y
Stop engine.  
Do not exceed machine duty cycle.  
4
Common Work Cable  
work jumper cable to Welder A (left) CC ter-  
minal.  
For Stick/TIG welding Direct Current Elec-  
trode Positive (DCEP), connect common  
work cable and work jumper cable to Weld-  
er B (right) Negative () terminal. Connect  
other end of work jumper cable to Welder A  
(left) Negative () terminal.  
Connect electrode holder cables to Nega-  
tive () terminals.  
. For common work connection, work  
cable must be able to carry combined  
weld output of both CC weld output ter-  
minals (see Section 5-15 for proper  
cable size).  
If unit has the Polarity switch option, con-  
nect common work cable and work jumper  
cable to Welder B (right) Work receptacle.  
Connect other end of work jumper cable to  
Welder A (left) Work receptacle.  
Connect electrode holder cables to Elec-  
trode receptacles.  
.
U
s
e
D
u
a
l
O
p
e
r
a
t
o
r
m
o
d
e
f
o
r
C
C
a
n
d
Connect electrode holder cables to CC ter-  
minals.  
1
Strain Relief  
For Stick/TIG Direct Current Electrode  
Negative (DCEN), connect common work  
cable and work jumper cable to Welder B  
(right) CC terminal. Connect other end of  
Route cables through strain reliefs.  
2
3
. Be sure Process Selector switches  
and optional Polarity switches are set  
correctly. See Section 6-3.  
Electrode Holder Cables  
Work Jumper Cable  
OM-494 Page 20  
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5-10. Making Dual Operator CV Weld Connections w/ Separate Work Cables  
Tools Needed:  
3/4 in  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B (Right) Side  
Welder A (Left) Side  
Note position  
of Process  
Selector  
switches.  
Note position  
of optional Po-  
larity switch.  
Note position  
of optional  
Polarity  
2
2
switch.  
1
3
Ref. 190 377 / 802 292-A  
Y
Y
Stop engine.  
3
Work Cables  
If unit has the Polarity switch option, con-  
nect work cables to Work receptacles and  
wire feeder cables to CV receptacles.  
Do not exceed machine duty cycle.  
For MIG and FCAW welding Direct Current  
Electrode Positive (DCEP), connect work  
cables to Negative () terminals and wire  
feeder cables to CV terminals.  
.
U
s
e
D
u
a
l
O
p
e
r
a
t
o
r
m
o
d
e
f
o
r
C
C
a
n
d
. Place optional Polarity switches in Re-  
verse position when using CV weld re-  
ceptacles. There is no CV weld output  
when switch is in Straight position.  
See Section 5-15 for proper cable size.  
1
Strain Reliefs  
Route cables through strain reliefs.  
Wire Feeder Cables  
For MIG and FCAW Direct Current Elec-  
trode Negative (DCEN), connect work  
cables to CV terminals and wire feeder  
cables to Negative () terminals.  
. Be sure Process Selector and Polarity  
switches are set correctly. See Section  
6-3.  
2
OM-494 Page 21  
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5-11. Making Dual Operator CV Weld Connections w/ Common Work Cable  
Tools Needed:  
3/4 in  
Y
INADEQUATE CABLE CONNECTIONS can cause serious damage to welding generator and create a hazardous condition.  
When making weld connections with a common work cable, connect a weld cable of adequate size between the Negative () weld termi-  
nals, and connect a single weld cable of adequate size from the Welder B (right) Negative () terminal to the workpiece.  
When using these connections as a common work terminal, all connections must be of the same polarity.  
For a common work cable connection, the work cable must be able to carry the combined weld output of both modules (see Section 5-15  
for proper cable size).  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B (Right) Side  
Welder A (Left) Side  
Note position  
of Process  
Selector  
switches.  
1
Note position  
of optional  
Polarity  
Note position of optional  
Polarity switch.  
4
switch.  
2
2
3
Ref. 190 377 / 802 292-A  
Y
Y
Stop engine.  
Do not exceed machine duty cycle.  
4
Common Work Cable  
Connect wire feeder cables to Negative ()  
terminals.  
For MIG and FCAW welding Direct Current  
Electrode Positive (DCEP), connect com-  
mon work cable and work jumper cable to  
Welder B (right) Negative () terminal. Con-  
nect other end of work jumper cable to  
Welder A (left) Negative () terminal.  
If unit has the Polarity switch option, con-  
nect common work cable and work jumper  
cable to Welder B (right) Work receptacle.  
Connect other end of work jumper cable to  
Welder A (left) Work receptacle.  
Connect wire feeder cables to CV recep-  
tacles.  
. For common work connection, work  
cable must be able to carry combined  
weld output of both CC weld output ter-  
minals (see Section 5-15 for proper  
cable size).  
Connect wire feeder cables to CV termi-  
nals.  
.
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. Place optional Polarity switches in Re-  
verse position when using CV weld re-  
ceptacles. There is no CV weld output  
when switch is in Straight position.  
For MIG and FCAW Direct Current Elec-  
trode Negative (DCEN), connect common  
work cable and work jumper cable to Weld-  
er B (right) CV terminal. Connect other end  
of work jumper cable to Welder A (left) CV  
terminal.  
1
Strain Relief  
Route cables through strain reliefs.  
. Be sure Process Selector and Polarity  
switches are set correctly. See Section  
6-3.  
2
3
Wire Feeder Cables  
Work Jumper Cable  
OM-494 Page 22  
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5-12. Making Dual Operator CC And CV Weld Connections w/ Separate Work Cables  
Tools Needed:  
3/4 in  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B (Right) Side  
Welder A (Left) Side  
Note position  
of Process  
Selector  
switches.  
1
Note position  
of optional  
Polarity  
3
2
switch.  
4
Ref. 190 377 / 802 292-A  
Y
Y
Stop engine.  
to Negative () terminal and electrode hold-  
For Stick/TIG welding on units with Polarity  
switch option, connect work cable to Work  
receptacle and electrode cable to Electrode  
receptacle.  
er cable to CC terminal.  
Do not exceed machine duty cycle.  
For Stick/TIG Direct Current Electrode  
Negative (DCEN), connect work cable to  
CC terminal and electrode holder cable to  
Negative () terminal.  
.
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For MIG/FCAW welding on units with Polar-  
ity switch option, connect work cable to  
Work receptacle and wire feeder cable to  
CV receptacle.  
See Section 5-15 for proper cable size.  
.
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1
Strain Reliefs  
set correctly. See Section 6-3.  
Route cables through strain reliefs.  
For MIG and FCAW welding Direct Current  
Electrode Positive (DCEP), connect work  
cable to Negative () terminal and wire  
feeder cable to CV terminal.  
. Place optional Polarity switches in Re-  
verse position when using CV weld re-  
ceptacles. There is no CV weld output  
when switch is in Straight position.  
2
3
4
Electrode Holder Cable  
Wire Feeder Cable  
Work Cables  
For MIG and FCAW Direct Current Elec-  
trode Negative (DCEN), connect work  
cable to CV terminal and wire feeder cable  
to Negative () terminal.  
.
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P
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y
For Stick/TIG welding Direct Current Elec-  
trode Positive (DCEP), connect work cable  
switches are set correctly. See Section  
6-3.  
OM-494 Page 23  
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5-13. Making Dual Operator CC And CV Weld Connections w/ Common Work Cable  
Tools Needed:  
3/4 in  
Y
INADEQUATE CABLE CONNECTIONS can cause serious damage to welding generator and create a hazardous condition.  
When making weld connections with a common work cable, connect a weld cable of adequate size between the Negative () weld termi-  
nals, and connect a single weld cable of adequate size from the Welder B (right) Negative () terminal to the workpiece.  
When using these connections as a common work terminal, all connections must be of the same polarity.  
For a common work cable connection, the work cable must be able to carry the combined weld output of both modules (see Section 5-15  
for proper cable size).  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B (Right) Side  
Welder A (Left) Side  
Note position  
of Process  
Selector  
switches.  
1
5
2
Note position of  
optional Polarity  
switch.  
3
4
Ref. 190 377 / 802 292-A  
Y
Y
Stop engine.  
Do not exceed machine duty cycle.  
For Direct Current Electrode Positive  
(DCEP), connect common work cable and  
work jumper cable to Welder B (right) Nega-  
tive () terminal. Connect other end of work  
jumper cable to Welder A (left) Negative ()  
terminal.  
Connect electrode holder cable to either  
Negative () terminal, and wire feeder cable  
to remaining Negative () terminal.  
If unit has the Polarity switch option, connect  
common work cable and work jumper cable  
to Welder B (right) Work receptacle. Con-  
nect other end of work jumper cable to Weld-  
er A (left) Work receptacle.  
Connect electrode holder cable to either  
Electrode receptacle.  
Connect wire feeder cable to CV receptacle  
on other side.  
. For common work connection, work  
cable must be able to carry combined  
weld output of both CC weld output ter-  
minals (see Section 5-15 for proper  
cable size).  
Connect electrode holder cable to either CC  
terminal.  
.
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V
Connect wire feeder cable to CV terminal on  
other side.  
welding (see Section 6-1).  
1
Strain Reliefs  
.
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. Place optional Polarity switch in Re-  
verse position when using CV weld re-  
ceptacle. There is no CV weld output  
when switch is in Straight position.  
Route cables through strain reliefs.  
set correctly. See Section 6-3.  
2
3
4
5
Electrode Holder Cable  
Wire Feeder Cable  
For Direct Current Electrode Negative  
(DCEN), connect common work cable and  
work jumper cable to Welder B (right) CC  
terminal.Connect other end of work jumper  
cable to Welder A (left) CV terminal.  
. Be sure Process Selector and Polarity  
switches are set correctly. See Section  
6-3.  
Work Jumper Cable  
Common Work Cable  
OM-494 Page 24  
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5-14. Making Single Operator CC Weld Connections  
Direct Current Electrode Positive  
(DCEP) connections are shown.  
Welder B(Right) Side  
Welder A (left) Terminals Inactive  
In Single Operator Mode  
Note position  
of Process  
Selector  
switch.  
1
3
2
Tools Needed:  
3/4 in  
190 377 / 802 292-A  
Y
Y
Stop engine.  
Single Operator mode. (see Section  
5-8).  
to Negative () terminal and electrode hold-  
er cable to CC terminal.  
Do not exceed machine duty cycle.  
For Stick/TIG Direct Current Electrode Neg-  
ative (DCEN), connect work cable to CC  
terminaland electrode holder cable to Neg-  
ative () receptacle.  
If unit has the Polarity switch option, con-  
nect work cable to Work terminal and elec-  
trode holder cable to Electrode receptacle.  
. See Section 5-15 for proper cable size.  
See Section 5-15 for proper cable size.  
Strain Relief  
Route cables through strain reliefs.  
Electrode Holder Cable  
Work Cable  
For Stick/TIG welding Direct Current Elec-  
trode Positive (DCEP), connect work cable  
. Welder A (left) weld output terminals  
are disabled in Single Operator mode.  
Connect only to Welder B (right) termi-  
nals for Single Operator mode opera-  
tion.  
1
2
3
. Use Single Operator mode for CC weld-  
ing only. Welder A and Welder B CV  
weld output terminals are disabled in  
.
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correctly. See Section 6-3.  
OM-494 Page 25  
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5-15. Selecting Weld Cable Sizes*  
Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit  
Not Exceeding***  
150 ft  
(45 m)  
200 ft  
250 ft  
300 ft  
350 ft  
400 ft  
100 ft (30 m) or Less  
(60 m) (70 m) (90 m) (105 m) (120 m)  
Weld Output  
Terminals  
Y
Y
Turn off power before  
connectingto weld out-  
put terminals.  
10 60% 60 100%  
Welding  
Amperes  
Duty  
Duty  
10 100% Duty Cycle  
Cycle  
Cycle  
Do not use worn, dam-  
aged, undersized, or  
poorly spliced cables.  
100  
150  
200  
4 (20)  
3 (30)  
3 (30)  
4 (20)  
3 (30)  
2 (35)  
4 (20)  
2 (35)  
1 (50)  
3 (30)  
1 (50)  
2 (35)  
1/0 (60)  
2/0 (70)  
1 (50)  
1/0 (60)  
3/0 (95)  
1/0 (60)  
3/0 (95)  
2/0 (70)  
1/0 (60)  
3/0 (95) 4/0 (120) 4/0 (120)  
2 ea. 2/0 2 ea. 2/0  
250  
300  
350  
400  
2 (35)  
1 (50)  
1 (50)  
1/0 (60)  
2/0 (70)  
2/0 (70)  
1/0 (60)  
2/0 (70)  
3/0 (95)  
3/0 (95)  
4/0 (120)  
2/0 (70)  
3/0 (95) 4/0 (120)  
(2x70)  
(2x70)  
2 ea. 2/0 2 ea. 3/0 2 ea. 3/0  
(2x70) (2x95) (2x95)  
3/0 (95) 4/0 (120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 3/0 2 ea. 4/0  
(2x70) (2x95) (2x95) (2x120)  
1/0 (60)  
1/0 (60)  
4/0 (120)  
4/0 (120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 4/0 2 ea. 4/0  
(2x70) (2x95) (2x120) (2x120)  
2 ea. 2/0 2 ea. 3/0 2 ea. 4/0 3 ea. 3/0 3 ea. 3/0  
(2x70) (2x95) (2x120) (3x95) (3x95)  
500  
600  
700  
800  
2/0 (70)  
3/0 (95)  
3/0 (95)  
2 ea. 2/0  
(2x70)  
2 ea. 3/0 2 ea. 4/0 3 ea. 3/0 3 ea. 4/0 3 ea. 4/0  
(2x95) (2x120) (3x95) (3x120) (3x120)  
4/0 (120)  
2 ea. 2/0  
(2x70)  
2 ea. 3/0  
(2x95)  
2 ea. 4/0 3 ea. 3/0 3 ea. 4/0 3 ea. 4/0 4 ea. 4/0  
(2x120) (3x95) (3x120) (3x120) (4x120)  
4/0 (120)  
4/0 (120)  
2 ea. 2/0  
(2x70)  
2 ea. 3/0  
(2x95)  
2 ea. 4/0 3 ea. 4/0 3 ea. 4/0 4 ea. 4/0 4 ea. 4/0  
(2x120)  
(3x120)  
(3x120)  
(4x120)  
(4x120)  
* This chart is a general guideline and may not suit all applications. If cables overheat, use next size larger cable.  
**Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.  
2
( ) = mm for metric use  
S-0007-F  
***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.  
OM-494 Page 26  
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5-16. Installing Ether Cylinder (Optional Ether Starting Aid)  
Y
Y
Stop engine.  
Improper handling or expo-  
sure to ether can harm your  
health. Follow manufactur-  
er’s safety instructions on  
cylinder.  
1
Y
Do not use Ether Starting Aid  
while engine is running.  
Open right side door.  
1
2
Ether Cylinder  
Nozzle  
Remove cover and clean cylinder  
nozzle.  
2
3
4
5
6
Clamp  
Fitting  
Cap  
3
Valve  
Remove cap and clean fitting.  
Install cylinder on fitting. Tighten  
clamp.  
4
5
. After installing cylinder, wait at  
least 10 minutes before using  
to let ether particles settle and  
prevent atomizer plugging.  
6
Put cap on fitting when cylinder is  
removed.  
ether1 7/96 153 382-A / 190 377 / 802 291-A  
5-17. Remote 14 Receptacle Information  
Place Welder Selector switch in Welder A/Welder B position (dual operator mode) for  
both remote receptacles to work. Welder A (left) remote receptacle output contactor  
and control is disabled when switch is in Welder B position.  
NOTE  
Socket*  
Socket Information  
A
B
C
D
E
24 volts ac. Protected by circuit breakers CB5 and CB6.  
Contact closure to A completes 24 volts ac contactor control circuit.  
Output to remote control; +10 volts dc in CV, 0 to +10 volts dc in CC.  
Remote control circuit common.  
24 VOLTS AC  
REMOTE  
OUTPUT  
CONTROL  
0 to +10 volts dc input command signal from remote control.  
F
Current feedback; 0 to +10 volts dc, 1 volt per 100 amperes.  
Voltage feedback; +1 volts dc per 10 arc volts.  
A/V  
AMPERAGE  
VOLTAGE  
H
115 VOLTS AC  
I
115 volts, 15 amperes, 60 Hz ac. Protected by circuit breakers CB5 and CB6.  
Contact closure to I completes 115 volts ac contactor control circuit.  
J
K
Chassis common.  
GND  
G
Circuit common for 24 and 115 volts ac circuits.  
*The remaining sockets are not used.  
OM-494 Page 27  
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5-18. Remote 14 Receptacle Connections  
Dual Operator Operation  
A
J
K
I
B
C
L
N
H
M
D
G
F
E
OR  
A
J
K
I
B
C
L
N
H
M
D
G
F
E
OR  
Single Operator Operation  
A
J
K
I
B
C
L
N
H
M
D
G
F
E
OR  
Ref. 802 291-A  
OM-494 Page 28  
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SECTION 6 OPERATING THE WELDING GENERATOR  
When facing the front panel, the Welder B controls and weld terminals are on the  
right and the Welder A side controls and weld terminals are on the left.  
NOTE  
6-1. Engine Controls  
3
4
1
5
2
190 377  
To Start: Press button and use Ether switch To Stop: Pull control out and hold. Release  
.
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control when engine stops.  
Battery Charging Warning Light  
Light goes on when battery is not charging.  
(if necessary). Release button when engine  
starts.  
descriptions.  
4
1
2
3
Engine Start Button  
Manual Stop Control  
Ether Starting Aid Switch (Optional)  
.
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Y
If light goes on, stop engine and check  
engine belt.  
come to a complete stop before attempt-  
Push switch up and release while cranking  
engine to release ether.  
ing restart.  
5
Engine Hour Meter  
OM-494 Page 29  
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1
300 AMPS  
WELDER A  
300 AMPS  
Welder B  
600 AMPS  
Welder B  
60 APMS  
10  
2
3
4
5
9
8
7
6
Ref. 191 848  
OM-494 Page 30  
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1
Welder Selector Switch  
3
Arc Force (Dig) Control  
6
Weld Meters  
Use switch to select Dual Operator or Single  
Operator welding mode.  
Use control to automatically increase amper-  
age as arc length is decreased to assist in arc  
starts and reduce the chance of the electrode  
sticking in the puddle. Turn clockwise to in-  
crease short-circuit amperage. Set at mini-  
mum for TIG welding.  
With Process Selector switch in the Stick/Tig  
position, meters read 0 (zero) with contactor  
off. Meters display actual output voltage and  
amperagewith contactor on.  
Place switch in Welder A/Welder B (dual oper-  
ator) position for CC and CV output from Weld-  
er A (left) and Welder B (right) weld output ter-  
minals. Control the weld output from the termi-  
nals on each side using the weld controls on  
that same side.  
With Process Selector switch in the MIG posi-  
tion, voltmeter displays preset voltage with  
contactor off. Voltmeter and ammeter display  
actual output voltage and amperage with con-  
tactor on.  
4
Hot Start Switch  
Place switch in Welder B (single operator)  
position for CC weld output from Welder B  
(right) weld output terminals only. CV weld out-  
put terminals on both sides do not work when  
unit is in Single Operator mode.  
Use switch to disable hot start circuit. Turn  
switch On for Stick (SMAW) and Submerged  
Arc (SAW) Welding, and Air Carbon Arc Cut-  
ting and Gouging (CAC-A). Turn switch Off for  
TIG (GTAW) welding.  
7
High Temperature Shutdown Light  
Light goes on and weld output stops if weld  
rectifier gets too warm. Let unit cool before  
welding.  
. Welder A (left) weld output terminals are  
disabled in Single Operator mode. Con-  
nect only to Welder B (right) terminals for  
Single Operator operation.  
When switch is in On position, higher short-cir-  
cuit amperage helps arc starting. After arc  
starts, the front panel or remote Amperage/  
Voltage control setting determines weld am-  
perage.  
8
Remote Amperage/Voltage Control  
Switch  
. When in single Operator mode, only CC  
weld output is available. Welder A (left)  
and Welder B (right) side CV weld output  
terminals are disabled in Single Operator  
For front panel control, place switch in Panel  
position. For remote control, place switch in  
Remote position, and connect remote device  
(see Section 5-17).  
.
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when constant voltage (CV) welding.  
5
Amperage/Voltage Control  
9
Output (Contactor) Switch  
2
Process Selector Switch  
When Process Selector switch is in the Stick/  
TIG position, turn control clockwise to in-  
crease amperage. Read amperage from outer  
scale of control. The Amperage/Voltage con-  
trol adjusts amperage only when constant cur-  
rent (CC) welding and does not adjust open-  
circuit voltage.  
Use switch to select output for weld process.  
If switch is in Stick/Tig position, place Welder  
Selector switch in Welder A/Welder B or Weld-  
er B Position. If switch is in MIG position, place  
Welder Selector switch in Welder A/Welder B  
position only.  
For front panel control of output, place switch  
in On (Hot) position. For remote control of out-  
put, place switch in Remote position, and con-  
nect remote device (see Section 5-17).  
Y
Weld output terminals are energized  
when Output (Contactor) switch is On  
and engine is running.  
. CV weld output for MIG is only available  
when Welder Selector switch is in Welder  
A/Welder B position. All weld output  
stops if either Process Selector switch  
is placed in MIG position when Welder  
Selector switch is in Welder B position.  
When Process Selector switch is in the MIG  
position, turn control clockwise to increase  
voltage. Voltmeter value changes as control  
knob is turned. Control can be adjusted while  
welding.  
10 Polarity Switch (Optional)  
Do not switch under load.  
Y
Use switch to change polarity of weld output  
(see Sections 5-7 thru 5-14).  
. Place optional Polarity switch in Reverse  
position when using CV weld output.  
There is no CV weld output when Polarity  
switch is in Straight position.  
. When Welder Selector switch is in Welder  
B position (single operator mode), weld  
amperageis two times the value selected  
by the Amperage/Voltage control. For ex-  
ample, if Amperage/Voltage control is set  
to 250 A, weld output is actually 500A.  
. Place optional Polarity switch in Reverse  
position when using CV weld receptacle.  
There is no CV weld output when switch is  
in Straight position.  
Y
Do not switch under load or with out-  
put on.  
OM-494 Page 31  
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SECTION 7 OPERATING AUXILIARY EQUIPMENT  
7-1. 120 Volt And 240 Volt Duplex Receptacles  
4
6
3
2
5
1
190 376  
Y
Be sure equipment connected to the  
240 V receptacles is GFCI-pro-  
tected.  
faulty equipment and the GFCI Reset but-  
RC2. If CB4 opens, GFCI 2 does not work.  
Press button to reset breaker.  
ton pops out. Check for damaged tools,  
cords, plugs, etc. connected to the recep-  
tacle. Press button to reset receptacle and  
resume operation.  
. If a circuit breaker continues to open,  
contact Factory Authorized Service  
Agent.  
.
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b
y
position of Welder Selector switch.  
. At least once a month, run engine at  
weld/powerspeed and press Test but-  
ton to verify GFCI is working properly.  
.
4
k
V
A
/
k
W
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Maximum output from each 120 volt GFCI  
receptacleis 2.4 kVA/kW. Maximum output  
from each 240 volt duplex receptacle half is  
4.0 kVA/kW.  
shared by all receptacles.  
1
2
240 V 20 A AC Receptacle RC1  
120 V 20 A AC GFCI Receptacle  
GFCI 1  
240 V 20 A AC Receptacle RC2  
120 V 20 A AC GFCI Receptacle  
GFCI 2  
5
6
Circuit Breakers CB1 And CB2  
Circuit Breakers CB3 And CB4  
Total combined output from all receptacles  
is 4 kVA/kW.  
CB1 and CB2 protect RC1 and GFCI 1 from  
overload. If CB1 or CB2 opens, RC1 does  
not work. 120 volts may still be present at  
RC1. If CB2 opens, GFCI 1 does not work.  
Press button to reset breaker.  
3
4
EXAMPLE:If 12 A is drawn from RC1, only  
9 A is available at GFCI 1:  
Receptacles supply 60 Hz single-phase  
power at weld/power speed.  
If a ground fault is detected, the GFCI re-  
ceptacle(s) circuit opens to disconnect the  
(240 V x 12 A) + (120 V x 9 A) = 4.0 kVA/kW  
CB3 and CB4 protect RC2 and GFCI 2 from  
overload. If CB3 or CB4 opens, RC2 does  
not work. 120 volts may still be present at  
.
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weld output.  
SECTION 8 MAINTENANCE & TROUBLESHOOTING  
8-1. Routine Maintenance  
Y
Stop engine before maintaining.  
.
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-
Recycle  
engine  
fluids.  
portant start-up, service, and storage information.  
Service engine more often if used in severe condi-  
tions.  
*
To be done by Factory Authorized Service Agent.  
Every 8 h  
Drain Water  
FUEL  
WATER  
Wipe  
Up  
Spills.  
Check Fluid  
Levels. See  
From Fuel  
System. See  
OIL  
Full  
Every 50 h  
Clean And  
Tighten  
Clean Air Filter.  
Weld  
Terminals.  
OM-494 Page 32  
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Every 100 h  
Clean And  
Tighten  
Change Oil  
Filter. See  
Change Oil. See  
Battery  
Connections.  
Check air cleaner  
hoses for cracks  
and loose clamps.  
Every 200 h  
Every 250 h  
Replace  
Unreadable  
Labels.  
Check And  
Clean Spark  
Arrestor. See  
Every 500 h  
Repair Or  
Replace  
Cracked  
Cables.  
Every 1000 h  
Blow Out Or  
Vacuum Inside.  
During Heavy  
Service,  
Service Welding  
Generator Brushes  
And Slip Rings.  
Service More Often  
In Dirty Conditions.*  
FUEL  
SLUDGE  
Drain Sludge  
From Fuel  
Tank.*  
OR  
Clean Monthly.  
Check  
Valve  
Clearance.*  
Check Belt  
Tension. See  
1/2 in.  
(13 mm)  
Change Fuel  
Filters. See  
OM-494 Page 33  
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8-2. Maintenance Label  
OM-494 Page 34  
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8-3. Servicing Air Cleaner  
Y
Y
Stop engine.  
Do not run engine without air  
cleaner or with dirty element. En-  
gine damage caused by using a  
damaged element is not covered  
by the warranty.  
1
3
4
2
.
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be cleaned but the dirt holding capac-  
ity of the filter is reduced with each  
cleaning. The chance of dirt reaching  
the clean side of the filter while clean-  
ing and the possibility of filter damage  
makes cleaning a risk. Consider the  
risk of unwarrantable equipment  
damage when determining whether  
to clean or replace the primary ele-  
ment.  
Optional  
5
If you decide to clean the primary ele-  
ment, we strongly recommend instal-  
ling an optional safety element to pro-  
vide additional engine protection.  
Never clean a safety element. Re-  
place the safety element after servic-  
ing the primary element three times.  
Clean or replace primary element if dirty  
(see note above before cleaning). Re-  
place primary element if damaged. Re-  
place primary element yearly or after six  
cleanings.  
Keep nozzle  
2 in (51 mm)  
from element.  
1
2
3
4
5
Housing  
Safety Element (Optional)  
Primary Element  
Dust Cap  
Dust Ejector  
To clean air filter:  
Wipe off cap and housing. Remove cap  
and dump out dust. Remove element(s).  
Wipe dust from inside cap and housing  
with damp cloth. Reinstall safety element  
(if present). Reinstall cap.  
Blow  
Inspect  
Y
Do not clean housing with air  
hose.  
Clean primary element with compressed  
air only.  
Air pressure must not exceed 100 psi  
(690 kPa). Use 1/8 in (3 mm) nozzle and  
keep nozzle at least 2 in (51 mm) from  
inside of element. Replace primary ele-  
ment if it has holes or damaged gaskets.  
Reinstall primary element and cap (dust  
ejector down).  
aircleaner1 2/01 ST-153 929-B / ST-153 585 / Ref. S-0698-B  
OM-494 Page 35  
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8-4. Servicing Fuel And Lubrication Systems  
Y
1
Stop engine and let cool.  
Oil Filter  
2
Oil Drain Plug  
3
Oil Drain Hose (Optional)  
Oil Fill Cap  
4
5
Primary Fuel Filter (Fuel/  
Water Separator)  
6
7
8
9
Petcock  
Secondary Fuel Filter  
Fuel Shutoff Valve Lever  
Sludge Drain Plug  
9
Under Left Side  
Of Fuel Tank Behind  
Control Panel  
To change oil and filter:  
See engine manual.  
To drain water from fuel system:  
Open primary fuel filter petcock and  
drain water into metal container.  
Close petcock when water-free fuel  
flows.  
7
To replace primary fuel filter:  
Close shutoff valve and turn filter  
counterclockwise. Remove filter.  
Apply thin coat of fuel to gasket on  
new filter. Install new filter and turn  
clockwise. Open shutoff valve.  
Bleed air from fuel system accord-  
ing to engine manual.  
4
1
Inspect fuel line, and replace if  
cracked or worn.  
To replace secondary fuel filter:  
See engine manual.  
To drain sludge from fuel tank:  
. This procedure should only be  
done by a Factory Authorized  
Service Agent.  
Remove Welder A (left) control  
panel to access sludge drain plug.  
Put metal container under drain and  
remove plug. Reinstall plug when  
sludge has drained.  
2
Reinstall control panel.  
Y
After servicing, start engine  
and check for fuel leaks.  
Valve Open  
8
Y
Stop engine, tighten connec-  
tions as necessary, and wipe  
up spilled fuel.  
Close doors.  
3
2
5
6
Tools Needed:  
3/8, 7/16, 3/4 in  
Ref. 158 633-C / Ref. 190 377 / Ref. S-176 697  
OM-494 Page 36  
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8-5. Adjusting Engine Speed  
Engine speed is factory set and  
should not require adjustment. Af-  
ter tuning engine, check engine  
speed with tachometer. See table  
for proper no load speed. If neces-  
sary, adjust speed as follows:  
Engine Speed  
(No Load)  
RPM  
1850  
Weld/Power  
1
2
High Speed Stop Screw  
Lock Nut  
Loosen nut. Turn screw out (toward  
front of engine) several turns.  
3
4
Linkage  
Lock Nuts  
Loosen nuts. Start engine and  
move linkage until engine runs at  
weld/power speed. Tighten nuts.  
5
Y
Stop engine.  
5
Speed Control Lever  
Turn screw in until screw touches  
lever. Tighten lock nut on screw.  
Close side door.  
4
3
2
1
Right Side  
Tools Needed:  
3/8 in  
Ref. 045 768-B  
8-6. Servicing Optional Ether Starting Aid  
Y
Y
Stop engine.  
Improper handling or expo-  
sure to ether can harm your  
health. Follow manufactur-  
er’s safety instructions on  
cylinder.  
If engine does not start in cold  
weather, check ether cylinder as  
follows:  
Remove cylinder from valve.  
1
2
3
Ether Cylinder  
Valve  
1
Scale  
Weigh cylinder to see if it is empty.  
Be sure atomizer is not plugged and  
valve fitting is clean.  
Replace cylinder according to  
Section 5-16.  
3
33 oz  
(935 g)  
15 oz  
(425 g)  
Full  
Empty  
2
ether2 7/96 153 382-A / Ref. 190 377 / S-0692  
OM-494 Page 37  
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8-7. Checking And Replacing Alternator Belt  
Y
Stop engine.  
To check belt tension:  
Remove rear panel.  
1
2
3
Alternator V-Belt  
Crank Pulley  
Alternator Pulley  
Place straight edge along top of pul-  
leys. Pull down belt as far as it will  
go, then measure distance from  
belt to straight edge.  
If measurement is less than 1/2 in  
(13 mm), belt is okay. If not okay,  
adjust belt tension.  
To adjust belt tension:  
4
5
Hex Nuts (2)  
Alternator Bracket  
Loosen nuts. Pivot alternator until  
belt is tight. Tighten nuts. Recheck  
tightness of belt. Readjust if  
necessary.  
Replace belt if damaged or  
cracked.  
To replace belt:  
Loosen hex nuts and pivot alterna-  
tor clockwise. Remove belt.  
Install new belt, pivot alternator until  
belt is tight, and tighten nuts. Re-  
check tightness of belt after running  
engine 15 minutes.  
4
Reinstall rear panel.  
3
5
1/2 in  
(13 mm)  
Max  
1
2
Tools Needed:  
1/2, 11/16 in  
158 632 / Ref. 190 377  
OM-494 Page 38  
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8-8. Resetting Fan Belt Safety Shutdown  
Y
Stop engine.  
1
Cooling Fan V-Belt  
See engine manual to replace or  
tighten belt.  
If belt breaks or becomes loose,  
safety shutdown stops engine.  
Correct problem, then reset safety  
shutdown as follows:  
2
3
4
5
Rod  
Stop  
Bracket  
Handle  
Pull handle towards front of unit un-  
til stop snaps in position behind  
bracket.  
Close door.  
1
4
3
5
Right Side  
2
Pull Handle To  
Reset Shutdown  
Tools Needed:  
3/8 in  
158 715 / Ref. 158 632 / Ref. 190 377  
OM-494 Page 39  
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8-9. Inspecting And Cleaning Optional Spark Arrestor Muffler  
Y
1
Stop engine and let cool.  
Spark Arrestor Muffler  
Cleanout Plug  
2
Remove plug and remove any dirt  
covering cleanout hole.  
3
Exhaust Pipe  
Start engine and run several min-  
utes to blow out cleanout hole. If  
nothing blows out of hole, briefly  
cover end of exhaust pipe with fire-  
proof material.  
3
2
1
Y
Stop engine and let cool.  
Reinstall cleanout plug.  
Tools Needed:  
3/8 in  
Ref. 800 633-B / Ref. 190 377  
Notes  
MATERIAL THICKNESS REFERENCE CHART  
24 Gauge (.025 in)  
22 Gauge (.031 in)  
20 Gauge (.037 in)  
18 Gauge (.050 in)  
16 Gauge (.063 in)  
14 Gauge (.078 in)  
1/8 in (.125 in)  
3/16 in (.188 in)  
1/4 in (.25 in)  
5/16 in (.313 in)  
3/8 in (.375 in)  
1/2 in (.5 in)  
OM-494 Page 40  
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8-10. Circuit Protection  
Tools Needed:  
3
4
1
2
7
8
5
6
9
Ref. 802 300 / Ref. 802 292-A  
Y
Stop engine.  
board PC1. If F4 opens, Welder B (right)  
weld output stops.  
generator power output may continue if  
generator maintains excitation. Weld and  
generator power output stops if generator  
requires field flashing circuit to restore ex-  
citation.  
. When a circuit breaker or fuse opens,  
it usually indicates a more serious  
problem exists. Contact Factory Au-  
thorized Service Agent.  
5
6
7
8
Circuit Breaker CB5  
Circuit Breaker CB6  
Circuit Breaker CB7  
Circuit Breaker CB8  
Press button to reset circuit breaker.  
1
2
3
4
Fuse F1  
Fuse F2  
Fuse F3  
Fuse F4  
9
Fuses F11, F12, F13, F21, F22, F23  
Circuit Breaker CB5 protects the 24 volt  
and 115 volt ac output to Welder A (left) re-  
mote receptacle RC9. If CB5 opens, Weld-  
er A (left) RC9 24 and 115 volt ac output  
stops.  
Circuit Breaker CB6 protects the 24 volt  
and 115 volt ac output to Welder B (right) re-  
mote receptacle RC8. If CB6 opens, Weld-  
er B (right) RC8 24 and 115 volt ac output  
stops.  
These fuses protect the weld stator wind-  
ings. If fuse F11, F12, or F13 opens, Welder  
B (right) side output is erratic or low. If fuse  
F21, F22, or F23 opens, Welder A (left) side  
output is erratic or low.  
Open front panel.  
Fuse F1 protects the exciter excitation  
winding. If F1 opens, there is no weld or  
generatorpower output on both sides.  
10 Thermostats TP3 And TP4 (Internal −  
Not Shown)  
Thermostat TP3 protects Welder A (left)  
SR2 rectifier and TP4 protects Welder B  
(right) SR3 rectifier from overheating. If  
TP3 or TP4 opens, Welder A (left) or Welder  
B (right) weld output stops and the High  
Temp. Shutdown light goes on. Wait fifteen  
minutes for module to cool and thermostat  
to automatically reset. Reduce amperage,  
voltage, or duty cycle before welding.  
Fuse F2 protects the exciter main field ex-  
citation winding. If F2 opens, there is no  
weld output on both sides.  
Circuit Breaker CB7 protects field current  
regulator board PC4. If CB7 opens, weld  
and generator power output on both sides  
stops.  
Fuse F3 protects Welder A (left) control  
board PC1. If F3 opens, Welder A (left) weld  
output stops.  
Circuit Breaker CB8 protects the generator  
field flashing circuit. If CB8 opens, weld and  
Fuse F4 protects Welder B (right) control  
OM-494 Page 41  
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8-11. Troubleshooting  
A. Welding  
Trouble  
Remedy  
No weld output on either side; generator Place Output (Contactor) switches in On (Hot) position, or place switches in Remote position and connect  
power output okay at ac receptacles.  
remote contactors to remote receptacles RC8 and RC9 (see Section 6-3).  
Unit overheated (High Temp. Shutdown light goes on); wait several minutes for thermostat(s) TP3 and  
TP4 to reset (see Section 8-10).  
Check position of Process Selector switches and Welder Selector switch. All weld output stops if  
either Process Selector switch is placed in CV position when Welder Selector switch is in Welder B  
Check fuse F2, and replace if open (see Section 8-10). Have Factory Authorized Service Agent  
check field current regulator board PC4.  
Have Factory Authorized Service Agent check field current regulator board PC4 and Welder Selector  
switch S2.  
No weld output on either side and no Disconnect equipment from generator power receptacles during start-up.  
generator power output at ac recep-  
tacles.  
Check fuse F1, and replace if open (see Section 8-10).  
Reset circuit breakers CB7 and/or CB8 (see Section 8-10).  
Have Factory Authorized Service Agent check brushes and slip rings, field excitation circuit, rotor, stator,  
and field current regulator board PC4.  
No Welder A (left) weld output; Welder B  
(right) weld output okay.  
Check fuse F3, and replace if open (see Section 8-10).  
Check position of Welder Selector switch. Welder A (left) weld output stops when Welder Selector  
switch is placed in Welder B position (see Section 6-1).  
Unit overheated (High Temp. Shutdown light goes on); wait several minutes for thermostat(s) TP3 to  
Have Factory Authorized Service Agent check Welder A (left) contactor circuit.  
Check fuse F4, and replace if open (see Section 8-10).  
No Welder B (right) weld output; Welder  
A (left) weld output okay;  
Unit overheated (High Temp. Shutdown light goes on); wait several minutes for thermostat(s) TP4 to  
Have Factory Authorized Service Agent check Welder B (right) contactor circuit.  
Low Welder A (left) weld output; Weld- Check position of Process Selector switch (see Section 6-3).  
er B (right) output okay.  
Increase Amperage/Voltage control setting.  
Check fuses F21, F22, and F23, and replace if open. If fuse(s) are open, have Factory Authorized  
Service Agent check main rectifier SR2.  
Have Factory Authorized Service Agent check main rectifier SR2, synchronization transformers T5,  
T6 and T7, and control board PC1.  
Low Welder B (right) weld output;  
Welder A (left) weld output okay.  
Increase Amperage/Voltage control setting.  
Check fuses F11, F12, and F13, and replace if open. If fuse(s) are open, have Factory Authorized  
Service Agent check main rectifier SR3.  
Have Factory Authorized Service Agent check main rectifier SR3, synchronization transformers T8,  
T9 and T10, and control board PC5.  
OM-494 Page 42  
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Trouble  
Remedy  
Low weld output on both sides.  
Increase Amperage/Voltage controls settings.  
Have Factory Authorized Service Agent check field current regulator board PC4.  
Have Factory Authorized Service Agent check field current regulator board PC4.  
High weld output on both sides.  
Erratic weld output on either side.  
Check and tighten connections inside and outside unit.  
Be sure connection to work piece is clean and tight.  
Use dry, properly stored electrodes.  
Remove excessive coils from weld cables.  
Check Process Selector switch(s) connections and contacts.  
Welder A (left) side: check fuses F21, F22, and F23, and replace if open. If fuse(s) are open, have  
Factory Authorized Service Agent check main rectifier SR2.  
Welder B (right) side: check fuses F11, F12, and F13, and replace if open. If fuse(s) are open, have  
Factory Authorized Service Agent check main rectifier SR3.  
Have Factory Authorized Service Agent check Welder Selector switch S2.  
Low open-circuit voltage on both sides. Check engine speed, and adjust if necessary (see Section 8-5).  
Have Factory Authorized Service Agent check field current regulator board PC4.  
Low open-circuit voltage on either side. Increase Amperage/Voltage control setting.  
Welder A (left) side: check fuses F21, F22, and F23, and replace if open. If fuse(s) are open, have  
Factory Authorized Service Agent check main rectifier SR2.  
Welder B (right) side: check fuses F11, F12, and F13, and replace if open. If fuse(s) are open, have  
Factory Authorized Service Agent check main rectifier SR3.  
Have Factory Authorized Service Agent check main rectifiers SR2 and SR3, synchronization trans-  
formers T5 thru T10, and control board PC1 or PC5.  
No control of weld output on either  
side.  
Place A/V Control switch in Panel position, or place switch in Remote position and connect remote  
control to remote receptacle RC8 or RC9 (see Sections 5-17 and 6-3).  
Have Factory Authorized Service Agent check control board PC1 or PC5.  
No voltage control on either side; open- Repair or replace remote device.  
circuit voltage present.  
Place A/V Control switch in Panel position, or place switch in Remote position and connect remote  
control to remote receptacle RC8 or RC9 (see Sections 5-17 and 6-3).  
Check connections to Remote receptacle RC8 and RC9.  
Have Factory Authorized Service Agent check control board PC1 or PC5.  
Wire feeder does not work (either side). Reset Welder A (left) circuit breaker CB5 or Welder B (right) circuit breaker CB6 (see Section 8-10).  
Check position of Process Selector switches and Welder Selector switch. All weld output stops if  
either Process Selector switch is placed in CV position when Welder Selector switch is in Welder B  
Check connections to Remote 14 receptacle RC8 (see Section 5-17).  
Place optional Polarity switches in Reverse position. There is no CV weld output when Polarity switch  
is in Straight position.  
Have Factory Authorized Service Agent check brushes and slip rings, and field excitation circuit.  
Repair or replace wire feeder.  
OM-494 Page 43  
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B. Generator Power  
Trouble  
Remedy  
No output at generator power ac recep- Reset receptacle circuit breakers (see Section 7-1).  
tacles.  
Check fuse F1, and replace if open (see Section 8-10).  
Check receptacle(s) for continuity and proper connections. Replace receptacle(s) if necessary.  
Have Factory Authorized Service Agent check brushes and slip rings.  
High or low output at generator power ac Check engine speed, and adjust if necessary (see Section 8-5).  
receptacles.  
C. Engine  
Trouble  
Remedy  
Check battery voltage, and replace battery if necessary.  
Check battery connections and tighten if necessary.  
Have Factory Authorized Service Agent check Engine Start Button PB1.  
Engine will not crank.  
Engine cranks but does not start.  
Check battery voltage, and replace battery if necessary.  
Check blower fan V-belt according to engine manual. Safety shutdown stops engine if belt is broken or  
Check engine charging system according to engine manual.  
See engine manual.  
Engine suddenly stops.  
Check blower fan V-belt according to engine manual. Safety shutdown stops engine if belt is broken or  
See engine manual.  
Battery discharges between uses.  
Clean battery, terminals, and posts with baking soda and water solution; rinse with clear water.  
Periodically recharge battery (approximately every 3 months).  
Replace battery.  
Check voltage regulator and connections according to engine manual.  
Engine uses oil during run-in period; Dry engine (see Section 10).  
wetstacking occurs.  
OM-494 Page 44  
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Notes  
OM-494 Page 45  
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SECTION 9 ELECTRICAL DIAGRAMS  
Figure 9-1. Circuit Diagram For Welding Generator  
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210 657-A  
OM-494 Page 47  
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SECTION 10 RUN-IN PROCEDURE  
run_in3 8/01  
10-1. Wetstacking  
Y
Do not perform run-in  
procedure at less than 20  
volts weld output and do not  
exceed duty cycle or equip-  
ment damage may occur.  
1
Welding Generator  
Run diesel engines near rated volt-  
age and current during run-in period  
to properly seat piston rings and  
prevent wetstacking. See name-  
plate, rating label, or specifications  
section in this manual to find rated  
voltage and current.  
2
. Do not idle engine longer than  
necessary. Piston rings seat  
faster if engine runs at weld/  
power rpm, and the welding  
generatoris kept loaded during  
run-in.  
1
2
Engine Exhaust Pipe  
Wetstacking is unburned fuel and  
oil in the exhaust pipe and occurs  
during run-in if the engine is run too  
long at light load or idle rpm.  
If exhaust pipe is coated with a wet,  
black, tar-like substance, dry the  
engine using one of the following  
run-in procedures.  
See the engine manual for addition-  
al engine run-in information.  
OM-494 Page 48  
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10-2. Run-In Procedure Using Load Bank  
Y
Y
Stop engine.  
Do not touch hot exhaust  
pipe, engine parts, or load  
bank/grid.  
Y
Y
Keep exhaust and pipe away  
from flammables.  
Do not perform run-in  
procedure at less than 20  
volts weld output and do not  
exceed duty cycle or equip-  
ment damage may occur.  
4
1
Load Bank  
2
Turn all load bank switches Off. If  
needed, connect load bank to 115  
volts ac wall receptacle or genera-  
tor auxiliary power receptacle.  
1
2
Welding Generator  
Place Welder Selector switch in  
Welder B position (600 Amps), A/V  
control in minimum position, and  
both Process Selector switches in  
Stick/TIG position.  
3
Weld Cables  
Connect load bank to generator  
Welder B (right) weld output termi-  
nals using proper size weld cables  
with correct connectors. Observe  
correct polarity.  
Start engine and run for several  
minutes.  
Set load bank switches and then  
adjust generator A/V control so load  
equals 350 Amps at 40 volts.  
Check generator and load bank  
meters after first five minutes then  
every fifteen minutes to be sure  
generatoris loaded properly.  
3
.
C
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ing run-in; add oil if needed.  
After one hour (minimum) place A/V  
control in minimum position, then  
turn off load bank to remove load.  
Run engine several minutes at no  
load.  
Y
Stop engine and let cool.  
4
Engine Exhaust Pipe  
Repeat procedure if wetstacking is  
present.  
S-0683  
OM-494 Page 49  
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10-3. Run-In Procedure Using Resistance Grid  
Y
Y
Stop engine.  
Do not touch hot exhaust  
pipe, engine parts, or load  
bank/grid.  
Y
Y
Keep exhaust and pipe away  
from flammables.  
6
Do not perform run-in  
procedure at less than 20  
volts weld output and do not  
exceed duty cycle or equip-  
ment damage may occur.  
2
1
Resistance Grid  
Use grid sized for generator rated  
output.  
Turn Off grid.  
1
2
Welding Generator  
Place Welder Selector switch in  
Welder B position (600 Amps), A/V  
control in minimum position, and  
both Process Selector switches in  
Stick/TIG position.  
3
Weld Cables  
Connect grid to generator Welder B  
(right) weld output terminals using  
proper size weld cables with cor-  
rect connectors (polarity is not im-  
portant).  
4
5
Voltmeter  
Clamp-On Ammeter  
Connect voltmeter and ammeter as  
shown, if not provided on generator.  
5
3
Start engine and run for several  
minutes.  
Set grid switches and then adjust  
generator A/V control so load  
equals 350 Amps at 40 volts.  
Check generator and meters after  
first five minutes then every fifteen  
minutes to be sure generator is  
loaded properly.  
4
.
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+
ing run-in; add oil if needed.  
After one hour (minimum), place  
A/V control in minimum position,  
then shut down grid to remove load.  
Run engine several minutes at no  
load.  
Y
Stop engine and let cool.  
6
Engine Exhaust Pipe  
Repeat procedure if wetstacking is  
present.  
S-0684  
OM-494 Page 50  
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SECTION 11 GENERATOR POWER GUIDELINES  
The views in this section are intended to be representative of all engine-driven  
welding generators. Your unit may differ from those shown.  
NOTE  
11-1. Selecting Equipment  
1
Generator Power Receptacles  
Neutral Bonded To Frame  
2
3-Prong Plug From Case  
Grounded Equipment  
3
2-Prong Plug From Double  
Insulated Equipment  
Y
Do not use 2-prong plug un-  
less equipment is double in-  
sulated.  
1
2
3
Be sure equipment  
has this symbol  
and/or wording.  
OR  
gen_pwr 11/02 Ref. ST-159 730 / ST-800 577  
11-2. Grounding Generator To Truck Or Trailer Frame  
Y
Always ground generator  
frame to vehicle frame to pre-  
vent electric shock and static  
electricity hazards.  
1
2
3
Equipment Grounding  
Terminal (On Front Panel)  
Grounding Cable (Not  
Supplied)  
1
Metal Vehicle Frame  
Connect cable from equipment  
ground terminal to metal vehicle  
frame. Use #10 AWG or larger  
insulated copper wire.  
2
GND/PE  
Y
If unit does not have GFCI re-  
ceptacles, use GFCI-pro-  
tected extension cord.  
3
Electrically bond generator  
frame to vehicle frame by  
metal-to-metalcontact.  
Y
Bed liners, shipping skids, and some running  
gear insulate the welding generator from the ve-  
hicle frame. Always connect a ground wire from  
the generator equipment grounding terminal to  
bare metal on the vehicle frame as shown.  
S-0854  
OM-494 Page 51  
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11-3. Grounding When Supplying Building Systems  
1
2
EquipmentGrounding  
Terminal  
1
2
Grounding Cable  
GND/PE  
Use #10 AWG or larger insulated  
copper wire.  
3
Ground Device  
Y
Ground generator to system  
earth ground if supplying  
power to a premises (home,  
shop, farm) wiring system.  
Use ground device as stated  
in electrical codes.  
2
3
ST-800 576-B  
11-4. How Much Power Does Equipment Require?  
1
Resistive Load  
3
A light bulb is a resistive load and  
requires a constant amount of power.  
VOLTS 115  
AMPS 4.5  
Hz 60  
2
2
Non-Resistive Load  
1
Equipment with a motor is a non-re-  
sistive load and requires approxi-  
mately six times more power while  
starting the motor than when running  
(see Section 11-8).  
3
Rating Data  
3
Rating shows volts and amperes, or  
watts required to run equipment.  
AMPERES x VOLTS = WATTS  
EXAMPLE 1: If a drill uses 4.5 amperes at 115 volts, calculate its running power  
requirementin watts.  
4.5 A x 115 V = 520 W  
The load applied by the drill is 520 watts.  
EXAMPLE 2: If three 200 watt flood lamps are used with the drill from Example 1,  
add the individual loads to calculate total load.  
(200 W + 200 W + 200 W) + 520 W = 1120 W  
The total load applied by the three flood lamps and drill is 1120 watts.  
S-0623  
OM-494 Page 52  
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11-5. Approximate Power Requirements For Industrial Motors  
Industrial Motors  
Rating  
Starting Watts  
Running Watts  
Split Phase  
1/8 HP  
1/6 HP  
1/4 HP  
1/3 HP  
1/2 HP  
1/3 HP  
1/2 HP  
3/4 HP  
1 HP  
800  
1225  
1600  
2100  
3175  
2020  
3075  
4500  
6100  
8200  
10550  
15900  
23300  
8100  
23300  
35000  
46700  
1000  
1400  
1850  
2400  
3500  
300  
500  
600  
700  
875  
Capacitor Start-Induction Run  
720  
975  
1400  
1600  
2200  
2850  
3900  
6800  
2000  
6000  
8000  
10700  
400  
1-1/2 HP  
2 HP  
3 HP  
5 HP  
Capacitor Start-Capacitor Run  
Fan Duty  
1-1/2 HP  
5 HP  
7-1/2 HP  
10 HP  
1/8 HP  
1/6 HP  
1/4 HP  
1/3 HP  
1/2 HP  
550  
650  
800  
1100  
11-6. Approximate Power Requirements For Farm/Home Equipment  
Farm/HomeEquipment  
Stock Tank De-Icer  
Rating  
Starting Watts  
Running Watts  
1000  
1650  
3400  
4400  
2900  
10500  
1720  
2575  
4500  
6100  
8200  
10550  
15900  
23300  
8100  
23300  
35000  
46700  
3300  
3150  
4500  
6100  
3100  
2150  
3100  
2100  
3200  
1000  
650  
Grain Cleaner  
1/4 HP  
1/2 HP  
3/4 HP  
Portable Conveyor  
Grain Elevator  
1000  
1400  
1100  
2800  
720  
Milk Cooler  
Milker (Vacuum Pump)  
FARM DUTY MOTORS  
Std. (e.g. Conveyors,  
Feed Augers, Air  
Compressors)  
2 HP  
1/3 HP  
1/2 HP  
3/4 HP  
1 HP  
975  
1400  
1600  
2200  
2850  
3900  
6800  
2000  
6000  
8000  
10700  
1000  
950  
1-1/2 HP  
2 HP  
3 HP  
5 HP  
High Torque (e.g. Barn  
1-1/2 HP  
5 HP  
Cleaners, Silo Unloaders,  
Silo Hoists, Bunk Feeders)  
7-1/2 HP  
10 HP  
1/2 HP  
500 PSI  
550 PSI  
700 PSI  
3-1/2 cu. ft. Mixer  
High Pressure 1.8 Gal/Min  
Washer 2 gal/min  
2 gal/min  
1400  
1600  
800  
Refrigerator or Freezer  
Shallow Well Pump  
1/3 HP  
1/2 HP  
1/3 HP  
1/2 HP  
750  
1000  
800  
Sump Pump  
1050  
OM-494 Page 53  
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11-7. Approximate Power Requirements For Contractor Equipment  
Contractor  
Rating  
Starting Watts  
Running Watts  
Hand Drill  
1/4 in  
3/8 in  
350  
400  
350  
400  
1/2 in  
600  
600  
Circular Saw  
Table Saw  
6-1/2 in  
7-1/4 in  
8-1/4 in  
9 in  
500  
500  
900  
900  
1400  
4500  
6300  
2500  
1720  
3900  
5200  
3000  
6000  
8200  
10500  
1100  
1100  
350  
1400  
1500  
1800  
1100  
720  
10 in  
Band Saw  
14 in  
Bench Grinder  
6 in  
8 in  
1400  
1600  
1000  
1500  
2200  
2800  
1100  
1100  
350  
10 in  
Air Compressor  
1/2 HP  
1 HP  
1-1/2 HP  
2 HP  
Electric Chain Saw  
Electric Trimmer  
Electric Cultivator  
1-1/2 HP, 12 in  
2 HP, 14 in  
Standard 9 in  
Heavy Duty 12 in  
1/3 HP  
500  
500  
2100  
400  
700  
Elec. Hedge Trimmer  
Flood Lights  
18 in  
400  
HID  
125  
100  
Metal Halide  
Mercury  
Sodium  
Vapor  
313  
250  
1000  
1400  
1250  
600  
1000  
200  
Submersible Pump  
Centrifugal Pump  
Floor Polisher  
400 gph  
900 gph  
3/4 HP, 16 in  
1 HP, 20 in  
1/2 HP  
900  
500  
4500  
6100  
3150  
4500  
6100  
1900  
900  
1400  
1600  
950  
High Pressure Washer  
3/4 HP  
1400  
1600  
700  
1 HP  
55 gal Drum Mixer  
Wet & Dry Vac  
1/4 HP  
1.7 HP  
900  
2-1/2 HP  
1300  
1300  
OM-494 Page 54  
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11-8. Power Required To Start Motor  
1
2
3
4
Motor Start Code  
Running Amperage  
Motor HP  
4
AC MOTOR  
VOLTS 230 AMPS 2.5  
Hz 60  
PHASE 1  
2
1
3
CODE  
HP  
M
1/4  
Motor Voltage  
To find starting amperage:  
Step 1: Find code and use table to  
find kVA/HP. If code is not listed,  
multiplyrunning amperage by six to  
find starting amperage.  
Step 2: Find Motor HP and Volts.  
Step 3: Determine starting amper-  
age (see example).  
Welding generator amperage out-  
put must be at least twice the  
motor’s running amperage.  
Single-Phase Induction Motor Starting Requirements  
Motor Start  
Code  
G
H
J
K
L
M
N
P
KVA/HP  
6.3  
7.1  
8.0  
9.0  
10.0  
11.2  
12.5  
14.0  
kVA/HP x HP x 1000  
VOLTS  
= STARTING AMPERAGE  
EXAMPLE: Calculate the starting amperage required for a 230 V, 1/4  
HP motor with a motor start code of M.  
Volts = 230 HP = 1/4 Using Table, Code M results in kVA/HP = 11.2  
11.2 x 1/4 x 1000  
= 12.2 A  
Starting the motor requires 12.2 amperes.  
230  
S-0624  
11-9. How Much Power Can Generator Supply?  
1
Limit Load To 90% Of  
Generator Output  
Always start non-resistive (motor)  
loads in order from largest to small-  
est, and add resistive loads last.  
2
5 Second Rule  
1
If motor does not start within 5  
seconds, turn off power to prevent  
motor damage. Motor requires  
more power than generator can  
supply.  
2
Ref. ST-800 396-A / S-0625  
OM-494 Page 55  
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11-10. Typical Connections To Supply Standby Power  
Y
Properly install and ground this equipment according to  
its Owner’s Manual and national, state, and local codes.  
1
2
3
4
Fused  
Disconnect  
Switch  
Utility  
Electrical  
Service  
Welding  
Generator  
Output  
Transfer Switch  
(If Required)  
5
Essential  
Loads  
Y
Y
Have only qualified persons perform Switch transfers the electrical load from Connect generator with temporary or perma-  
these connections according to all electric utility service to the generator. Trans- nent wiring suitable for the installation.  
applicable codes and safety practic- fer load back to electric utility when service is  
Turn off or unplug all equipment connected to  
generator before starting or stopping engine.  
When starting or stopping, the engine has  
low speed which causes low voltage and  
frequency.  
es.  
restored.  
Properly install and ground this Install correct switch (customer-supplied).  
equipment according to its Owner’s Switch rating must be same as or greater  
than the branch overcurrent protection.  
Manual and national, state, and local  
codes.  
3 Fused Disconnect Switch  
5 Essential Loads  
. Customer-supplied equipment is re-  
quired if generator will supply standby  
power during emergencies or power out-  
ages.  
Install correct switch (customer-supplied) if  
required by electrical code.  
Generatoroutput may not meet the electrical  
requirements of the premises. If generator  
does not produce enough output to meet all  
4 Welding Generator Output  
Generator output voltage and wiring must be requirements, connect only essential loads  
1 Utility Electrical Service  
consistent with regular (utility) system volt- (pumps, freezers, heaters, etc. See Sec-  
2 Transfer Switch (Double-Throw)  
age and wiring.  
tion 11-4).  
Notes  
Work like a Pro!  
Pros weld and cut  
safely. Read the  
safety rules at  
the beginning  
of this manual.  
OM-494 Page 56  
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11-11. Selecting Extension Cord (Use Shortest Cord Possible)  
Cord Lengths for 120 Volt Loads  
Y
If unit does not have GFCI receptacles, use GFCI-protected extension cord.  
Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*  
Current  
(Amperes)  
Load (Watts)  
4
6
8
10  
12  
14  
5
600  
350 (106)  
250 (76)  
175 (53)  
112 (34)  
87 (26)  
62 (19)  
50 (15)  
50 (15)  
37 (11)  
225 (68)  
150 (46)  
112 (34)  
75 (23)  
50 (15)  
37 (11)  
37 (11)  
137 (42)  
100 (30)  
62 (19)  
37 (11)  
30 (9)  
100 (30)  
62 (19)  
50 (15)  
30 (9)  
7
840  
400 (122)  
275 (84)  
175 (53)  
137 (42)  
112 (34)  
87 (26)  
10  
15  
20  
25  
30  
35  
40  
45  
50  
1200  
1800  
2400  
3000  
3600  
4200  
4800  
5400  
6000  
400 (122)  
300 (91)  
225 (68)  
175 (53)  
150 (46)  
125 (38)  
112 (34)  
100 (30)  
87 (26)  
75 (23)  
62 (19)  
62 (19)  
50 (15)  
*Conductor size is based on maximum 2% voltage drop  
Cord Lengths for 240 Volt Loads  
Y
If unit does not have GFCI receptacles, use GFCI-protected extension cord.  
Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*  
Current  
(Amperes)  
Load (Watts)  
4
6
8
10  
12  
14  
5
1200  
1680  
2400  
3600  
4800  
6000  
7000  
8400  
9600  
10,800  
12,000  
700 (213)  
500 (152)  
350 (107)  
225 (69)  
175 (53)  
125 (38)  
100 (31)  
100 (31)  
75 (23)  
450 (137)  
300 (91)  
225 (69)  
150 (46)  
100 (31)  
75 (23)  
225 (84)  
200 (61)  
125 (38)  
75 (23)  
200 (61)  
125 (38)  
100 (31)  
60 (18)  
7
800 (244)  
550 (168)  
350 (107)  
275 (84)  
225 (69)  
175 (53)  
150 (46)  
125 (38)  
125 (38)  
100 (31)  
10  
15  
20  
25  
30  
35  
40  
45  
50  
800 (244)  
600 (183)  
450 (137)  
350 (107)  
300 (91)  
250 (76)  
225 (69)  
200 (61)  
175 (53)  
60 (18)  
75 (23)  
*Conductor size is based on maximum 2% voltage drop  
OM-494 Page 57  
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SECTION 12 PARTS LIST  
.
H
a
r
d
w
a
r
e
i
s
c
o
m
m
o
n
a
n
d
not available unless listed.  
21  
20  
19  
22  
23  
5
6
7
24  
8
9
4
25SEE FIG 12-4  
18  
10  
17  
3
11  
16  
28  
12  
13  
9
2
27  
26  
1
15  
14  
103  
10  
30  
10  
9
31  
96SEE FIG 12-2  
32  
33  
102  
101  
34  
35  
36  
37  
38  
98  
99  
100  
83  
95  
97  
84  
85  
94  
86  
87  
89  
88  
90  
91  
92  
93  
Figure 12-1. Main Assembly  
OM-494 Page 58  
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50  
48  
47  
49  
46  
45  
44  
51  
43  
52  
53  
54  
46  
40  
55  
39  
56  
41  
58  
57SEE FIG 12-3  
59  
42  
60  
82  
81  
61  
63  
64  
80  
79  
34  
62  
35  
65  
67  
66  
68  
69  
78SEE FIG 12-4  
36  
70  
37  
71  
77  
76  
75  
74  
72  
73  
802 317-D  
OM-494 Page 59  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
Figure 12-1. Main Assembly  
. . 1 . . . . . . . . . . . . . 605 288 . . FITTING, pipe galv plug sqhd .250NPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 2 . . . . . . . . . . . . . 070 010 . . BOLT, J stl .250-20 x 2.750 pld . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 3 . . . . . . . . . . . . . 088 696 . . STRAP, hold down fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 4 . . . . . . . . . . . . . 134 771 . . PLUG, protective .640sq . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 5 . . . . . . . . . . . . . 184 675 . . TANK, fuel 22.3gal (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 6 . . . . . . . . . . . . . 182 022 . . . . CAP, fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 7 . . . . . . . . . . . . . 020 185 . . FITTING, pipe brs elbow st 1/8NPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 8 . . . . . . . . . . . . . 053 525 . . FITTING, hose brs barbed M 5/16tbg x 1/8NPT . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 9 . . . . . . . . . . . . . 172 071 . . CLAMP, hose .520-.605clp dia slfng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 10 . . . . . . . . . . . . 134 835 . . HOSE, SAE .312 ID x .560 OD (order by ft) . . . . . . . . . . . . . . . . . . . . . . . . . . 9ft  
. . 11 . . . . . . . . . . . . 097 507 . . STRIP, rbr adh back .125 x 1.000 x 20.500 60 duro . . . . . . . . . . . . . . . . . . . . 2  
. . 12 . . . . . . . . . . . . 175 432 . . VALVE, shut-off fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 13 . . . . . . . . . . . . 039 599 . . FITTING, brs barbed M 5/16 tbg x 1/4 NPT . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 14 . . . . . . . . . . . +048 227 . . UPRIGHT, base front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 15 . . . . . . . . . . . . 170 689 . . FRAME, mtg reactor and fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 16 . . . . . . . . . . . +170 617 . . UPRIGHT, base center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 17 . . . . . . . . . . . . 017 479 . . SEAL, weather lift eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 18 . R3, R5 . . . 097 459 . . RESISTOR, WW fxd 375W 20 ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 19 . . . . . . . . . . . . 108 081 . . TERMINAL PROTECTOR, battery post mtg . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 20 . . . . . . . . . . . . 182 276 . . CABLE, bat pos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 21 . . . . . . . . . . . . 208 353 . . HOLD DOWN, battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 22 . . . . . . . . . . . . 032 453 . . CABLE, bat neg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 23 . . . . . . . . . . . . 190 896 . . BATTERY, stor 12v 660 crk 110 rsv gp 24 low . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 24 . . . . . . . . . . . . 010 460 . . STUD, stl .312-18 x 10.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 25 SR2, SR3 Figure 12-5 . . RECTIFIER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 26 . . . . . . . . . . . . 176 697 . . LABEL, fuel shut-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 27 . . . . . . . . . . . . 145 282 . . FITTING, hose brs barbed elbow M 5/16tbg x 1/4NPT . . . . . . . . . . . . . . . . 2  
. . 28 . . . . . . . . . . . . 083 859 . . BRACKET, mtg fuel filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 29 . . . . . . . . . . . . Deleted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
. . 30 . . . . . . . . . . . . 202 242 . . BASE, fuel filter assy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 31 . . . . . . . . . . . . 192 744 . . SEPARATOR, fuel filter & water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 32 . . . . . . . . . . . . 135 205 . . NUT, 625-11 .94 hex .76H stl pld . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
. . 33 . . . . . . . . . . . . 116 707 . . SUPPORT, front engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 34 . . . . . . . . . . . . 119 849 . . SCREW, 625-11 x 4.00 hexhd pln gr 5 pld . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 35 . . . . . . . . . . . . 071 731 . . WASHER, flat stl .656 ID x 2.250 OD x .187thk . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 36 . . . . . . . . . . . . 071 890 . . RETAINER, mount eng/gen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 37 . . . . . . . . . . . . 071 730 . . TUBING, stl .875 OD x 12ga wall x 2.500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 38 . . . . . . . . . . . . 072 848 . . MOUNT, eng/gen nprn .875 ID x 2.500 OD x 2.000 50 dur . . . . . . . . . . . . . . 2  
. . 39 . . . . . . . . . . . . 010 875 . . CLAMP, muffler 2.000 dia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 40 . . . . . . . . . . . . 105 734 . . PIPE, muffler extension elbow 1.875 OD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 41 . . . . . . . . . . . . 176 232 . . BAFFLE, air muffler exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 42 . . . . . . . . . . . . 048 216 . . BRACKET, mtg breather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 43 . . . . . . . . . . . +105 909 . . COVER, top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 44 . . . . . . . . . . . . 107 990 . . LABEL, use diesel fuel only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 45 . . . . . . . . . . . . 035 968 . . WASHER, flat rbr 3.625 ID x 5.875 OD x .062thk . . . . . . . . . . . . . . . . . . . . . . 1  
. . 46 . . . . . . . . . . . . 158 610 . . LABEL, warning electric shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 47 . . . . . . . . . . . . 168 385 . . LABEL, warning battery explosion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 48 . . . . . . . . . . . +192 313 . . DOOR, side LH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 49 . . . . . . . . . . . . 108 487 . . LABEL, warning falling equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 50 . . . . . . . . . . . . 117 257 . . PANEL, end engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 51 . . . . . . . . . . . +192 314 . . DOOR, side RH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 52 . . . . . . . . . . . . 181 642 . . LABEL, diesel engine maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 53 . . . . . . . . . . . . 004 130 . . BRACKET, support door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 54 . . . . . . . . . . . . 087 341 . . BUMPER, door 1.000 OD x .750 high . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 55 . . . . . . . . . . . . 087 336 . . LATCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 56 . . . . . . . . . . . . 027 434 . . LABEL, welder will not start by applying power to terminals . . . . . . . . . . . . . 2  
. . 57 . . . . . . . . . Figure 12-3 . . SIDE CONTROL PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 58 . . . . . . . . . . . . 023 313 . . CLAMP, hose 3.250-3.000 clp dia slftg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 59 . . . . . . . . . . . . 201 547 . . HOSE, air cleaner w/spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 60 . . . . . . . . . . . . 010 863 . . CLAMP, hose 2.062 3.000 clp slftg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
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Figure 12-1. Main Assembly (Continued)  
. . 61 . . . . . . . . . . . . 189 764 . . AIR CLEANER, intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . *192 938 . . FILTER, air element primary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . *192 939 . . FILTER, air element safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 203 462 . . BRACKET, mtg air cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 62 . . . . . . . . . . . . 165 785 . . HOSE, air cleaner 2.437 ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 63 . . . . . . . . . . . . 048 213 . . BAFFLE, air intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 194 467 . . WASHER, flat (for baffle) 6.25 ID x 11.50 OD x .62 T buna . . . . . . . . . . . . . 1  
. . 64 . . . . . . . . . . . . . . . . . . . . . . . LEVER, trip shutdown (included w/engine see engine parts list) . . . . . . . 1  
. . 65 . . . . . . . . . . . . . . . . . . . . . . . SPRING (included w/engine see engine parts list) . . . . . . . . . . . . . . . . . . . 1  
. . 66 . . . . . . . . . . . . 181 634 . . ENGINE, dsl electric (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 67 . . . . . . . . . . . . 087 371 . . . . ROD, shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . *064 677 . . FILTER, oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . *062 342 . . FILTER, fuel primary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . *064 686 . . FILTER, fuel secondary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . *064 690 . . BELT, blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 68 . . . . . . . . . . . . 070 661 . . ROD, speed control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 69 . . . . . . . . . . . . 151 969 . . SWITCH, pressure 4PSI N/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 70 . . . . . . . . . . 047 361 . . FITTING, banjo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 71 . . . . . . . . . . 089 351 . . FITTING, pipe brs plug hexhd 1/2NPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 72 . . . . . . . . . . 192 197 . . BRACKET, mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 73 . . . . . . . . . . . 008 114 . . HOSE, oil w/fittings 17.500 lg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 74 . . . . . . . . . . 047 234 . . BOLT, banjo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . 047 235 . . WASHER, oil seal copper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 75 . . . . . . . . . . . . 127 994 . . BALL JOINT, .250-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 76 . . . . . . . . . . . . 162 740 . . STUD, stl .250-28 x 45.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 77 . . . . . . . . . . . . 083 476 . . MOUNT, eng/gen nprn .875 ID x 2.500 OD x 2.000 60 dur . . . . . . . . . . . . . . 2  
. . 78 . . . . . . . . . Figure 12-4 . . GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 79 . . . . . . . . . . . . 013 367 . . LABEL, warning moving parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 80 . . . . . . . . . . . . 176 236 . . BAFFLE, air outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 81 . . . . . . . . . . . . . . . . . . . . . . . CLAMP, muffler (included with engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 82 . . . . . . . . . . . . 105 733 . . PIPE, muffler extension elbow 1.875 OD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 83 . . . . . . . . . . . . 165 739 . . BASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 84 . . . . . . . . . . . . 191 446 . . EXTRUSION, rubber w/adhesive 1.000 x 1.000 D (order by ft) . . . . . . . . 2.1ft  
. . 85 . . . . . . . . . . . . 173 352 . . EXTRUSION, rubber clamp/bulb (order by ft) . . . . . . . . . . . . . . . . . . . . . . . . 2.4ft  
. . 86 . . . . . . . . . . . . 192 305 . . TRAY, base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 87 . . . . . . . . . . . . 176 167 . . NUT, 250-20 acorn nylon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 88 . . . . . . . . . . . . 192 303 . . ANGLE, mtg stabilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 89 . Z1, Z2 . . . 192 296 . . STABILIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 90 . . . . . . . . . . . . 205 791 . . BRACKET, mtg fuse assembly (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 91 . . . . . . . . . . . . 204 965 . . . . STRIP, insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 92 . . . . . . . . . . . . . 026947 . . . . STAND-OFF, insul .250-20 x 1.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
. . 93 F11-13, F21-23 . 027 267 . . FUSE, link 300 A 250 volt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 94 . . . . . . . . . . . . 192 304 . . PANEL, front lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 95 . . . . . . . . . . . . 134 792 . . LABEL, warning general precautionary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 96 . . . . . . . . . Figure 12-2 . . FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 97 . . . . . . . . . . . . 175 256 . . INSULATOR, side rh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 98 . . . . . . . . . . . . 192 300 . . SHROUD, generator LH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 99 . T2, T4 . . . 192 371 . . TRANSFORMER, 115V pri 24VCT 8A w/leads . . . . . . . . . . . . . . . . . . . . . . . . 2  
. 100 . . . . . . . . . . . . 192 301 . . SHROUD, generator RH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. 101 . . . . . . . . . . . . 168 829 . . TRANSDUCER, current 1000A module max open loop . . . . . . . . . . . . . . . . 2  
. 102 . . . . . . . . . . . . 192 299 . . SHROUD, generator center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. 103 . . . . . . . . . . . . 194 021 . . CAPACITOR ASSEMBLY, (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . . . . . . . . . . . 162 817 . . . . BUS BAR, capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . C15, C20 . . 163 535 . . . . CAPACITOR, elctlt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . . . . . . R4, R6 . . . 140 002 . . . . RESISTOR, WW fxd 10W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 162 799 . . . . BRACKET, mtg capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
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Figure 12-1. Main Assembly (Continued)  
. . . . . . . . . . . . . . . . . . 193 501 . . KIT, label (includes safety and informational labels) . . . . . . . . . . . . . . . . . . . . 1  
+When ordering a component originally displaying a precautionary label, the label should also be ordered. Order label  
individually or as part of Label Kit 193 501  
*Recommended Spare Parts.  
OPTIONAL  
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested  
Replacement Parts. Model and serial number required when ordering parts from your local distributor.  
.
H
a
r
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not available unless listed.  
6
7
8
9
5
4
2
12  
1
13  
14  
11  
10  
15  
16  
42  
28  
22  
13  
29  
41  
27  
26  
30  
12  
21  
18  
24  
17  
40  
39  
25  
2
23  
18  
22  
20  
19  
35  
36  
30  
21  
37  
38  
31  
34  
32  
33  
802 318-C  
Figure 12-2. Front Panel  
OM-494 Page 62  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . 1 . . . . . . . . . . . . . . 209056 . . COVER, receptacle w/gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 2 . . . . . . . . . . . . . 190 323 . . BOOT, circuit breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 3 . . . . . . . . . . . . . Deleted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
. . 4 . . . . . . . . . . . . . . . . . . . . . . . . PLATE, ident control rating (order by model and serial number) . . . . . . . . . 1  
. . 5 . . . . . . . . . . . . . 190 375 . . NAMEPLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 6 . . . . . . . . . . . . . . 216270 . . PANEL, aux power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 192 334 . . HARNESS, wiring aux power panel (consisting of) . . . . . . . . . . . . . . . . . . . . 1  
. . 7 . GFCI1,2 . . 151 981 . . . . RECEPTACLE, str dx grd 2P3W 15/20A 125V GFCI . . . . . . . . . . . . . . . . . 2  
. . 8 . . CB1-4 . . . 093 996 . . . . CIRCUIT BREAKER, man reset 1P 20A 250VAC frict . . . . . . . . . . . . . . . . 4  
. . 9 . RC1, RC2 . . 193 257 . . . . RECEPTACLE, str dx grd 2P3W 15/20A 250V . . . . . . . . . . . . . . . . . . . . . . 2  
. . 10 . . R10 . . . . 189 699 . . RESISTOR, WW tap 375W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 11 . . . . . . . . . . . . 038 620 . . LINK, jumper term blk 30A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 12 . TE1,2 . . . . 038 621 . . BLOCK, term 30A 4 pole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 13 . T5 - 10 . . . 210 636 . . TRANSFORMER, control 6VA 120VCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 14 . . PC4 . . . . 191 255 . . CIRCUIT CARD ASSEMBLY, field current regulator . . . . . . . . . . . . . . . . . . . 1  
. . 15 . . . . . . . . . . . . 083 147 . . GROMMET, SCR NO 8/10 panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . 16 . . . . . . . . . . . . 192 332 . . PANEL LAYOUT, mtg component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 17 . CB7,8 . . . . 139 266 . . CIRCUIT BREAKER, man reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 18 . . 1T,2T . . . . 190 210 . . BLOCK, term 5-3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 19 . . . . . . . . . . . . 083 030 . . STUD, brs .250-20 x 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 20 . . . . . . . . . . . . 010 381 . . CONNECTOR, rectifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 21 . T1, T3 . . . 192 367 . . TRANSFORMER, control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 22 . . . . . . . . . . . . 184 649 . . HOLDER, fuse mintr .250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 23 . . F3,4 . . . *012 643 . . FUSE, mintr gl slo-blo 1A, 250V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 24 . . F1,2 . . . *125 847 . . FUSE, mintr cer slo-blo 12A, 250V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 25 . . . . . . . . . . . . 129 351 . . SCREW, 00832x .50 hexwhd.34d stl pld slffmg taprw . . . . . . . . . . . . . . . . 2  
. . 26 . . . . . . . . . . . . 177 136 . . CLAMP, capacitor 1.375dia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 27 . . . C1 . . . . . 087 110 . . CAPACITOR, elctlt 240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 28 . . SR1 . . . . 035 704 . . RECTIFIER, integ bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 195 702 . . HARNESS, wiring componet panel (consisting of) . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 188 512 . . . . . SEAL, wire univ 6P/S 3 row . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . . . . . . . . . . . . . . . . . 187 651 . . . . . SEAL, wire univ 9P/S 3 row . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . . . . . RC13,21 . . 116 045 . . . . . HOUSING, plugs and pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . PLG17 . . . 135 275 . . . . . HOUSING, plugs and pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . RC19, PLG20 . 168 071 . . . . . HOUSING, plugs and pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 29 . . . S2 . . . . . 192 292 . . SWITCH, paralleling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 192 006 . . HARNESS, engine (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 30 . . PB1 . . . . 046 433 . . . . SWITCH, PB MC NO SPST 35A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 31 . . . . . . . . . . . . . . . . . . . . . . . STUD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 32 . . . HM . . . . . 145 247 . . METER, hour 12-24VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 33 . . . . . . . . . . . . 205 744 . . ROD, engine shutoff assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 34 . . . . . . . . . . . . 019 603 . . KNOB, ball . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 35 . . PL1 . . . . . 188 266 . . LIGHT, ind red lens 13V (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 36 . . . . . . . . . . . . 082 788 . . . . HOLDER, light ind only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 37 . . . . . . . . . . . . 048 155 . . . . BULB, incand min . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 38 . . . . . . . . . . . . 082 789 . . . . LENS, light ind red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 39 . . . . . . . . . . . . 010 647 . . PIN, spring CS .156 x 1.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 40 . . . . . . . . . . . . 111 785 . . HANDLE, switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 41 . . . . . . . . . . . . . . . . . . . . . . . PLATE, ident control rating (order by model and serial number) . . . . . . . . . 1  
. . 42 . . . . . . . . . . . . 192 316 . . PANEL, front control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
+When ordering a component originally displaying a precautionary label, the label should also be ordered. Order label  
individually or as part of Label Kit 193 501  
*Recommended Spare Parts.  
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested  
Replacement Parts. Model and serial number required when ordering parts from your local distributor.  
OM-494 Page 63  
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not available unless listed.  
1
31  
32  
30  
29  
33  
2
34  
28  
27  
26  
7
8
6
5
3
4
9
10  
11  
25  
13  
24  
14  
23  
35  
22  
36  
21  
15  
12  
16  
20  
18  
19  
17  
802 320-A  
Figure 12-3. Side Control Panels Welder B (Right) Side Shown  
OM-494 Page 64  
Download from Www.Somanuals.com. All Manuals Search And Download.  
 
Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . 1 . . . . . . . . . . . . +192 330 . . PANEL, side output RH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . +192 325 . . PANEL, side output LH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 2 . . . . . . . . . . . . . 027 434 . . LABEL, welder will not start by applying power to terminals . . . . . . . . . . . . . 2  
. . 3 . . . . . . . . . . . . . 010 828 . . HANDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 4 . . . . . . . . . . . . . 086 074 . . TUBING, cop .540 ID x .123 wall x .562 welder A (left) side only . . . . . . . 1  
. . 5 . . S1, S9 . . . 204 903 . . SWITCH, mode single w/ dust cover (consisting of) . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . . . . . . . . . . . 163 557 . . . . SWITCH, mode single . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 202 881 . . . . COVER, dust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 6 . . . . . . . . . . . . . 193 337 . . ELECTRONICS BOX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 7 . . . PC5 . . . . 204 832 . . CIRCUIT CARD ASSEMBLY, welder B (right) side control . . . . . . . . . . . . . . 1  
. . . . . . . . PC1 . . . . 204 835 . . CIRCUIT CARD ASSEMBLY, welder A (left) side control . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 192 218 . . HARNESS, wiring control box welder B (right) (consisting of) . . . . . . . . . . . 1  
. . 8 . . . CR3 . . . . 000 770 . . . . RELAY, encl 24VDC 3PDT 10A/120VAC 11 pin . . . . . . . . . . . . . . . . . . . . . 1  
. . 9 . . . GRD . . . . 185 011 . . . . STUD, primary board brs 10-32 x 1.592 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 10 S8,10,11 . . 011 609 . . . . SWITCH, tgl SPDT 15A 125VAC on-none-on . . . . . . . . . . . . . . . . . . . . . . . 3  
. . 11 . . R7,8 . . . . 035 897 . . . . POTENTIOMETER, cp std slot 1t 2w 1k linear . . . . . . . . . . . . . . . . . . . . . . 2  
. . 12 . LS3, 4 . . . 089 645 . . . . SWITCH, lim 11A 125V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . PLG27 . . . 131 056 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 187 651 . . . . SEAL, wire univ 9P/S 3 row . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG20 . . . 168 071 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . PLG9,26 . . 148 439 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . PLG12 . . . 152 249 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG10 . . . 153 501 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . RC22 . . . . 168 845 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . RC23 . . . . . 168846 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . PLG8 . . . . 169 240 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 192 208 . . HARNESS, wiring control box welder A (left) (consisting of) . . . . . . . . . . . . 1  
. . . . . . . . CR2 . . . . 000 770 . . . . RELAY, encl 24VDC 3PDT 10A/120VAC 11 pin . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . GRD . . . . 185 011 . . . . STUD, primary board brs 10-32 x 1.592 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . S3,6,7 . . . 011 609 . . . . SWITCH, tgl SPDT 15A 125VAC on-none-on . . . . . . . . . . . . . . . . . . . . . . . 3  
. . . . . . . . R1,8 . . . . 035 897 . . . . POTENTIOMETER, cp std slot 1t 2w 1k linear . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . LS1,2 . . . . 089 645 . . . . SWITCH, lim 11A 125V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . PLG18 . . . 131 056 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 187 651 . . . . SEAL, wire univ 9P/S 3 row . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG19 . . . 168 071 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . PLG4,11 . . 148 439 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . PLG5 . . . . 152 249 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG10 . . . 153 501 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . RC6 . . . . 168 845 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . RC7 . . . . . 168846 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . PLG3 . . . . 169 240 . . . . CONNECTOR, housing plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . 1  
. . 13 PC2, PC6 . . 178 130 . . CIRCUIT CARD ASSEMBLY, digital meter . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 14 . . . . . . . . . . . . 165 316 . . STAND-OFF, No. 6-32 x .875 lg .312 hex nyl . . . . . . . . . . . . . . . . . . . . . . . . . 8  
. . . . . . . . . . . . . . . . . . 136 343 . . SCREW, K50 x 20 soc hd trx stl pld slftpg . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
. . 15 . . . . . . . . . . . . 097 924 . . KNOB, pointer 1.625dia x .250 ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 16 . . . . . . . . . . . . 021 385 . . BOOT, toggle switch lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 17 . . . . . . . . . . . . 097 922 . . KNOB, pointer .875dia x .250 ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 18 . . . . . . . . . . . . 148 956 . . HANDLE, switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 19 . . . . . . . . . . . . . . . . . . . . . . . NAMEPLATE (order by model and serial number) . . . . . . . . . . . . . . . . . . . . . 2  
. . 20 . . . . . . . . . . . . 162 815 . . PANEL, front upper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 21 . . . . . . . . . . . . 161 297 . . CAM, switch selector 2posn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 22 . . . . . . . . . . . . 170 391 . . CONNECTOR, circ protective cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 23 . . . . . . . . . . . . 039 047 . . TERMINAL, pwr output red (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
. . . . . . . . . . . . . . . . . . 039 049 . . . . TERMINAL BOARD, red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 039 044 . . . . BUS BAR, term bd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 601 976 . . . . SCREW, 500-13 x 1.50 hexhd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 601 880 . . . . NUT, 500-13 x .75 hex .31H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
OM-494 Page 65  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
Figure 12-3. Side Control Panels (Continued)  
. . 24 . . . . . . . . . . . . 039 046 . . TERMINAL, pwr output black (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . . . . . . . . . . . 039 045 . . . . TERMINAL BOARD, black . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 039 044 . . . . BUS BAR, term bd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 601 976 . . . . SCREW, 500-13 x 1.50 hexhd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 601 880 . . . . NUT, 500-13 x .75 hex .31H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 25 . . . . . . . . . . . . 192 494 . . BUS BAR, connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 26 . . . . . . . . . . . . 192 493 . . STAND-OFF, bus bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 27 C2,4,5,21,22,23 . 136 736 . . CAPACITOR, cer disc .1uf 500VDC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . . . . . . . . . . . . . . . . . 192 336 . . HARNESS, wiring unit welder B (right) (consisting of) . . . . . . . . . . . . . . . . . . 1  
. . 28 . . . 4T . . . . . 190 210 . . . . BLOCK, term 5-3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 29 . . CB6 . . . . 139 266 . . . . CIRCUIT BREAKER, man reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 30 . . RC9 . . . . 134 735 . . . . CONNECTOR, circ MS/CPC 14skt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 31 . . PC7 . . . . 181 261 . . . . CIRCUIT CARD ASSEMBLY, filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG24 . . . 115 094 . . . . HOUSING, plug and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG22 . . . 168 847 . . . . HOUSING, plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG23 . . . 152 249 . . . . HOUSING, plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG21 . . . 135 556 . . . . HOUSING, plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 188 512 . . . . SEAL, wire univ 6P/S 3 row . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 192 337 . . HARNESS, wiring unit welder A (left) (consisting of) . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . 3T . . . . . 190 210 . . . . BLOCK, term 5-3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . CB5 . . . . 139 266 . . . . CIRCUIT BREAKER, man reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . RC8 . . . . 134 735 . . . . CONNECTOR, circ MS/CPC 14skt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . PC3 . . . . 181 261 . . . . CIRCUIT CARD ASSEMBLY, filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG14 . . . 115 094 . . . . HOUSING, plug and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . PLG6 . . . . 168 847 . . . . HOUSING, plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . PLG3 . . . . 152 249 . . . . HOUSING, plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . PLG13 . . . 135 556 . . . . HOUSING, plug pins and sockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 188 512 . . . . SEAL, wire univ 6P/S 3 row . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 32 . . . . . . . . . . . . 165 316 . . STAND-OFF, No. 6-32 x .875 lg .312 hex nyl . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . . . . . . . . . . . . . . . . . 145 217 . . SCREW, K40 x 12 pan hd phl stl pld slftpg . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
. . 33 . . . . . . . . . . 059 773 . . HANDLE, switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . 34 . . . . . . . . . . 010 647 . . PIN, spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . . . . . . . . . 091 067 . . SWITCH, polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
. . . . . . . . . . . . . . . . 168 077 . . CONNECTOR, tw lk insul fem (Dinse-type) to output stud . . . . . . . . . . . . . 6  
. . . . . . . . . . . . . . . . 199 123 . . LABEL, component identification master polarity . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . 199 124 . . LABEL, component identification slave polarity . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 35 PL2, PL3 . . 159 522 . . LED, yellow 2.1v 20 ma 45.0 mcd panel mtg .250 hole . . . . . . . . . . . . . . . . . 2  
. . 36 . . . . . . . . . . . . 159 036 . . LENS, led clear panel mtg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
+When ordering a component originally displaying a precautionary label, the label should also be ordered. Order label  
individually or as part of Label Kit 193 501  
*Recommended Spare Parts.  
OPTIONAL  
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested  
Replacement Parts. Model and serial number required when ordering parts from your local distributor.  
OM-494 Page 66  
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.
H
a
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not available unless listed.  
Ref. 048 456-E  
Figure 12-4. Generator  
Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . 1 . . . . . . . . . . . . *151 299 . . BRUSH, contact elect clrg .375 x .750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . 2 . . . . . . . . . . . . . 188 387 . . BRUSHHOLDER/BRACKET ASSEMBLY, (consisting of) . . . . . . . . . . . . . . . 1  
. . 3 . . . . . . . . . . . . . 600 270 . . . . HOLDER, brush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . 4 . . . . . . . . . . . . . 152 044 . . . . CAP, holder brush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  
. . 5 . . . . . . . . . . . . . 173 066 . . . . BRACKET, mtg brushholder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 6 . . . . . . . . . . . . +205 600 . . STATOR, generator (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 7 . . . . . . . . . . . . . 039 207 . . . . BAFFLE, air generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 8 . . . . . . . . . . . . . 192 286 . . ROTOR, generator (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 9 . . . . . . . . . . . . . 024 617 . . . . RING, retaining external . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 10 . . . . . . . . . . . . 053 390 . . . . BEARING, ball . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 11 . . . . . . . . . . . . 083 748 . . . . FAN, rotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 12 . . . . . . . . . . . . 013 367 . . LABEL, warning moving parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
OM-494 Page 67  
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Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
Figure 12-4. Generator (Continued)  
. . 13 . . . . . . . . . . . . 195 704 . . STATOR, exciter aux pwr 120/240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 14 . . . . . . . . . . . . 173 068 . . ENDBELL, generator (consisting of) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . 15 . . . . . . . . . . . . 143 220 . . . . O-RING 2.859ID x .139CS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
+When ordering a component originally displaying a precautionary label, the label should also be ordered. Order label  
individually or as part of Label Kit 193 501  
*Recommended Spare Parts.  
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested  
Replacement Parts. Model and serial number required when ordering parts from your local distributor.  
.
H
a
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not available unless listed.  
1
802 319  
Figure 12-5. Rectifier Assembly  
Item  
No.  
Dia.  
Mkgs.  
Part  
No.  
Description  
Quantity  
. . 1 . . . . . . . . . . . . . 205 613 . . RECTIFIER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
. . . . . . . . . . . . . . . . . . 203 001 . . RECTIFIER, Si Diode (One Side Service kit W/Varnish Coating) . . . . . . . . 1  
. . . . . PLG1, PLG2 . 158 720 . . CONNECTOR & SOCKETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1  
To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested  
Replacement Parts. Model and serial number required when ordering parts from your local distributor.  
OM-494 Page 68  
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Notes  
OM-494 Page 69  
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Effective January 1, 2005  
(Equipment with a serial number preface of “LF” or newer)  
This limited warranty supersedes all previous Miller warranties and is exclusive with no other  
guarantees or warranties expressed or implied.  
Warranty Questions?  
LIMITED WARRANTY Subject to the terms and conditions  
below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to  
its original retail purchaser that new Miller equipment sold after  
the effective date of this limited warranty is free of defects in  
material and workmanship at the time it is shipped by Miller.  
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER  
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE  
WARRANTIES OF MERCHANTABILITY AND FITNESS.  
*
*
*
*
*
*
*
Induction Heating Coils and Blankets  
APT & SAF Model Plasma Cutting Torches  
Remote Controls  
Call  
1-800-4-A-MILLER  
for your local  
Miller distributor.  
Accessory Kits  
Replacement Parts (No labor)  
Spoolmate Spoolguns  
Within the warranty periods listed below, Miller will repair or  
replace any warranted parts or components that fail due to such  
defects in material or workmanship. Miller must be notified in  
writing within thirty (30) days of such defect or failure, at which  
time Miller will provide instructions on the warranty claim  
procedures to be followed.  
Canvas Covers  
Your distributor also gives  
you ...  
Miller’s True BlueLimited Warranty shall not apply to:  
Service  
1. Consumable components; such as contact tips,  
cutting nozzles, contactors, brushes, slip rings,  
relays or parts that fail due to normal wear. (Exception:  
brushes, slip rings, and relays are covered on Bobcat,  
Trailblazer, and Legend models.)  
You always get the fast,  
reliable response you  
need. Most replacement  
parts can be in your  
hands in 24 hours.  
Miller shall honor warranty claims on warranted equipment  
listed below in the event of such a failure within the warranty  
time periods. All warranty time periods start on the date that the  
equipment was delivered to the original retail purchaser, or one  
year after the equipment is sent to a North American distributor  
or eighteen months after the equipment is sent to an  
International distributor.  
2. Items furnished by Miller, but manufactured by others,  
such as engines or trade accessories. These items are  
covered by the manufacturer’s warranty, if any.  
Support  
Need fast answers to the  
tough welding questions?  
Contact your distributor.  
The expertise of the  
distributor and Miller is  
there to help you, every  
step of the way.  
3. Equipment that has been modified by any party other than  
Miller, or equipment that has been improperly installed,  
improperly operated or misused based upon industry  
standards, or equipment which has not had reasonable  
and necessary maintenance, or equipment which has  
been used for operation outside of the specifications for the  
equipment.  
1. 5 Years Parts — 3 Years Labor  
*
*
Original main power rectifiers  
Inverters (input and output rectifiers only)  
2. 3 Years — Parts and Labor  
*
*
*
*
Transformer/Rectifier Power Sources  
Plasma Arc Cutting Power Sources  
Semi-Automatic and Automatic Wire Feeders  
Inverter Power Sources (Unless Otherwise Stated)  
MILLER PRODUCTS ARE INTENDED FOR PURCHASE AND  
USE BY COMMERCIAL/INDUSTRIAL USERS AND  
PERSONS TRAINED AND EXPERIENCED IN THE USE AND  
MAINTENANCE OF WELDING EQUIPMENT.  
*
*
*
*
Water Coolant Systems (Integrated)  
Intellitig  
Maxstar 150  
Engine Driven Welding Generators  
(NOTE: Engines are warranted separately by  
the engine manufacturer.)  
In the event of a warranty claim covered by this warranty, the  
exclusive remedies shall be, at Miller’s option: (1) repair; or (2)  
replacement; or, where authorized in writing by Miller in  
appropriate cases, (3) the reasonable cost of repair or  
replacement at an authorized Miller service station; or (4)  
payment of or credit for the purchase price (less reasonable  
depreciation based upon actual use) upon return of the goods at  
customer’s risk and expense. Miller’s option of repair or  
replacement will be F.O.B., Factory at Appleton, Wisconsin, or  
F.O.B. at a Miller authorized service facility as determined by  
Miller. Therefore no compensation or reimbursement for  
transportation costs of any kind will be allowed.  
3. 1 Year — Parts and Labor Unless Specified  
*
*
DS-2 Wire Feeder  
Motor Driven Guns (w/exception of Spoolmate  
Spoolguns)  
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Process Controllers  
TO THE EXTENT PERMITTED BY LAW, THE REMEDIES  
PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE  
REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR  
Positioners and Controllers  
Automatic Motion Devices  
RFCS Foot Controls  
Induction Heating Power Sources and Coolers  
Water Coolant Systems (Non-Integrated)  
Flowgauge and Flowmeter Regulators (No Labor)  
HF Units  
Grids  
Maxstar 85, 140  
Spot Welders  
Load Banks  
Arc Stud Power Sources & Arc Stud Guns  
Racks  
Running Gear/Trailers  
Plasma Cutting Torches (except APT & SAF  
Models)  
Field Options  
(NOTE: Field options are covered under True  
Bluefor the remaining warranty period of the  
product they are installed in, or for a minimum of  
one year — whichever is greater.)  
DIRECT,  
INDIRECT,  
SPECIAL,  
INCIDENTAL  
OR  
CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF  
PROFIT), WHETHER BASED ON CONTRACT, TORT OR  
ANY OTHER LEGAL THEORY.  
ANY EXPRESS WARRANTY NOT PROVIDED HEREIN AND  
ANY  
IMPLIED  
WARRANTY,  
GUARANTY  
OR  
REPRESENTATION AS TO PERFORMANCE, AND ANY  
REMEDY FOR BREACH OF CONTRACT TORT OR ANY  
OTHER LEGAL THEORY WHICH, BUT FOR THIS  
PROVISION, MIGHT ARISE BY IMPLICATION, OPERATION  
OF LAW, CUSTOM OF TRADE OR COURSE OF DEALING,  
INCLUDING  
ANY  
IMPLIED  
WARRANTY  
OF  
MERCHANTABILITY OR FITNESS FOR PARTICULAR  
PURPOSE, WITH RESPECT TO ANY AND ALL EQUIPMENT  
FURNISHED BY MILLER IS EXCLUDED AND DISCLAIMED  
BY MILLER.  
Some states in the U.S.A. do not allow limitations of how long an  
implied warranty lasts, or the exclusion of incidental, indirect,  
special or consequential damages, so the above limitation or  
exclusion may not apply to you. This warranty provides specific  
legal rights, and other rights may be available, but may vary  
from state to state.  
*
In Canada, legislation in some provinces provides for certain  
additional warranties or remedies other than as stated herein,  
and to the extent that they may not be waived, the limitations  
and exclusions set out above may not apply. This Limited  
Warranty provides specific legal rights, and other rights may be  
available, but may vary from province to province.  
4. 6 Months — Batteries  
5. 90 Days — Parts  
*
MIG Guns/TIG Torches  
miller_warr 1/05  
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Owner’s Record  
Please complete and retain with your personal records.  
Model Name  
Purchase Date  
Distributor  
Address  
Serial/Style Number  
(Date which equipment was delivered to original customer.)  
City  
State  
Zip  
For Service  
Contact a DISTRIBUTOR or SERVICE AGENCY near you.  
Always provide Model Name and Serial/Style Number.  
Contact your Distributor for:  
Welding Supplies and Consumables  
Options and Accessories  
Personal Safety Equipment  
Service and Repair  
Miller Electric Mfg. Co.  
An Illinois Tool Works Company  
1635 West Spencer Street  
Appleton, WI 54914 USA  
Replacement Parts  
Training (Schools, Videos, Books)  
International HeadquartersUSA  
USA Phone: 920-735-4505 Auto-Attended  
USA & Canada FAX: 920-735-4134  
International FAX: 920-735-4125  
Technical Manuals (Servicing Information  
and Parts)  
Circuit Diagrams  
European Headquarters −  
United Kingdom  
Phone: 44 (0) 1204-593493  
FAX: 44 (0) 1204-598066  
Welding Process Handbooks  
To locate a Distributor or Service Agency visit  
www.MillerWelds.com  
Contact the Delivering Carrier to:  
File a claim for loss or damage during  
shipment.  
For assistance in filing or settling claims, contact  
your distributor and/or equipment manufacturer’s  
Transportation Department.  
PRINTED IN USA  
2005 Miller Electric Mfg. Co. 1/05  
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