BC 435B
BC 435L
BC 435L
Husqvarna AB
SE-561 82 Huskvarna
Sweden
GB
Model No.: BC 435L / BC 435B
XXXXXXX
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Meaning of symbols marked on the product
GENERAL SAFETY RULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Keep people or animals at least 15m away from
the machine during operation
15m(50ft)
•
•
•
What to do
Brush / grass blade safety precautions
What not to do
Read the user manual before using the machine
Warning! Cutting elements continue to rotate
after the engine turned off
Whenever the machine is in use, safety goggles
must be worn to safeguard against flying object,
as must ear protectors, such as a soundproof hel-
met, in order to protect the operator’s hearing. If
the operator is working in an area where there is
a risk of falling objects, a safety helmet must also
be worn
GENERAL IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Safety features
Warning: Rotating blades
Beware of thrown objects
•
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
ASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Acoustic power level LWA accordance with
directive 2000/14/EC + 2005/88/EC
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“Loop With Barrier” handle installation
“Bullhorn” handle installation
Cutting attachment guard installation
Cutting head installation
Remove and installation the blade cover
Blade installation
Remove and installation the blade cover
Maximum rotational frequency of the spindle for
cutting head
Warning! Hot surface
10000 min-1
Maximum rotational frequency of the spindle for
blade
Wear gloves to protect your hands
Wear feet protection
11000 min-1
FUEL AND ENGINE OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
WARNING! When using gas tools, basic safety precautions, including the following, should always be followed to
reduce the risk of serious personal injury and/or damage to the unit.
•
•
Refueling
Engine oil
Read all these instructions before operating this product and save these instructions.
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
•
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Shoulder harness
Starting a cold engine
Warm engine start
Low temperature start
To stop engine
6. Keep all screws and fasteners tight. Never operate
WHAT TO DO
your equipment when it is improperly adjusted or not
completely and securely assembled.
READ YOUR USER MANUAL AND ALL SUPPLE-
MENTS (IF ANY ENCLOSED) THOROUGHLY BEFORE
OPERATING YOUR UNIT.
7. Keep handles dry, clean and free of fuel mixture.
8. Keep stringhead as close to ground as practical.
Avoid hitting small objects with stringhead. When cut-
ting on a slope, stand below stringhead. NEVER cut
or trim on a hill or slope, etc. if there is the slightest
chance of slipping, sliding or losing firm footing.
TRIMMING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
15m(50ft)
•
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Additional safety precautions
Cutting head line release
Trimming procedures
Cutting with blades
Using weed blades
Using a brush blade
9. Check area you will be trimming for debris that
may be struck or thrown during operation.
WARNING: Keep children, bystanders, and
animals 50 feet (15 meters) away. If
approached stop unit immediately.
10. Keep all parts of your body and clothing away
from stringhead when starting or running engine.
Before starting engine, make sure stringhead will not
come in contact with any obstacle.
MAINTENANCE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
1. Wear close fitting, tough work clothing that will
provide protection, such as long slacks or trousers,
safety work shoes, heavy duty work gloves, hard hat,
a safety face shield, or safety glasses for eye protec-
tion and a good grade of ear plugs or other sound
barriers for hearing protection.
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Replacing cutter line
Air Filter
Fuel Filter
Carburetor Adjustment
Spark Plug
Cutting attachment guard knife shapening
Storing a unit
11. Stop engine before examining cutting line.
12. Store equipment away from possible ignition
sources, such as gas-powered water heaters,
clothes dryers, or oil-fired furnaces, portable
heaters, etc.
2. Prequel in
a
safe place. Open fuel cap slowly to
13. Always keep the debris shield, stringhead, and
engine free of debris build-up.
release any pressure which may have formed in fuel
tank. To prevent a fire hazard, move at least 10 feet
(3 meters) from fueling area before starting.
Removing a unit from storage
14. Operation of equipment should always be restricted
to mature and properly instructed individuals.
TROUBLE SHOOTING THE ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
EU DECLARATION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3. Comply with all fire prevention regulations. com-
pliance with all local, state, or federal laws in the
united states is the user’s responsibility.Your unit
comes with a spark arrester screen furnished in the
user kit. Replacement spark arrester screen kits are
available from distributor.
15. WARNING: The emission of exhaust gases is toxic.
16. Emergency Stopping Procedure. When it is neces-
sary to stop engine immediately, DEPRESS the
switch to stop.
17. This unit has a clutch, routines for checking that
the cutting attachment stops turning when the engine
idles.
4. Turn unit off before setting it down.
5. Always hold unit firmly with both hands, the
thumb and fingers encircling the handles.
1
2
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10. DO NOT OPERATE UNIT UNLESS CUTTING
ATTACHMENT GUARD AND/OR GUARD IS
INSTALLED AND IN GOOD CONDITION.
BRUSH / GRASS BLADE SAFETY PRE-
CAUTIONS
GENERAL IDENTIFICATION
9
1. FOLLOW ALL WARNINGS and instructions regard-
ing operation and blade installation.
BC 435B
11. DO NOT ADD, REMOVE OR ALTER ANY COMPO-
NENTS OF THIS PRODUCT. Doing so could cause
personal injury and/or damage the unit voiding the
manufacturer’s warranty.
BC 435L
2. BLADE CAN VIOLENTLY THRUST AWAY FROM
MATERIAL IT CANNOT CUT - Blade thrust can
cause amputation of arms or legs. Keep people
and animals 50 feet (15 meters) away in all directions.
If blade contacts foreign objects during operation,
turn off engine and allow coasting blade to stop.Then
check blade for damage. Always discard blade if it is
warped or cracked.
10
11
10
12. DO NOT operate your unit near or around flammable
liquids or gases whether in or out of doors. An explo-
sion and/or fire may result.
8
9
19
8
13. DO NOT USE ANY OTHER CUTTING ATTACHMENT.
Use only Partner
replacement parts and acces-
sories, which are designed specifically to enhance the
performance and maximize the safe operation of our
products. Failure to do so may cause poor perform-
ance and possible injury. Use only the cutting head
supplied with this product. Do not use any other cut-
ting attachment. Use of such attachments will void
your factory warranty and could result in serious bod-
ily injury.
3. BLADE THROWS OBJECTS VIOLENTLY - You can
be blinded or injured. Wear eye, face, and leg protec-
tion. Always clear work area of any foreign objects
before using blade. Keep people and animals 50 feet
(15 meters) away in all directions.
7
4. INSPECT YOUR TRIMMER AND ATTACHMENTS
BEFORE EACH USE - Never use unless all blade-
attaching hardware is properly installed.
20
6
5
5. BLADE COASTS AFTER THROTTLE IS RELEASED
- A coasting blade can cut you or bystanders. Before
performing any service on the blade, always turn off
engine, and be sure coasting blade has stopped.
3
15
17
6. 50 FEE T (15 meters) DIAMETER HAZARD ZONE -
Bystanders can be blinded or injured. Keep people
and animals 50 feet (15 meters) away in all directions.
1
16
2
WHAT NOT TO DO
12
18
1. DO NOT USE ANY OTHER FUEL than that recom-
mended in your manual. Always follow instructions in
the Fuel and Engine oil section of this manual.
Permanent damage to engine will result,
voiding manufacturer’s warranty.
4
21
13
14
2. DO NOT SMOKE while refueling or operating equip-
ment.
1. CUTTING HEAD
2. FLEXIBLE LINE
13. STARTER ROPE HOUSING
14. FUEL TANK
7. “BULLHORN” HANDLE
(BC 435B)
3. DO NOT OPERATE UNIT WITHOUT A MUFFLER
and properly installed muffler shield.
8. THROTTLE TRIGGER
9. ON/OFF SWITCH
3. CUTTING ATTACHMENT
GUARD
15. AIR FILTER COVER
16. STARTER HANDLE
17. MUFFLER SHIELD
18. PRIMER BULB
4. DO NOT TOUCH or let your hands or body come in
contact with a hot muffler or spark plug wire.
4. BLADE
10. THROTTLE TRIGGER LOCK
OUT
5. OUTPUT SHAFT
5. DO NOT OPERATE UNIT IN AWKWARD POSI-
TIONS, off balance, outstretched arms, or one-hand-
ed. Always use two hands when operating unit with
thumbs and fingers encircling the handles.
11. THROTTLE LOCK
12. CHOKE LEVER
19. HARNESS
6. “LOOP WITH BARRIER”HANDLE
20. COUPER (BC 435B
/ BC 435L )
(BC 435L)
6. DO NOT RAISE CUTTING HEAD above ground level
while unit is operating. Injury to operator could result.
21. OIL TANK
7. DO NOT USE UNIT FOR ANY PURPOSES OTHER
than trimming lawn or garden areas.
SAFETY FEATURES
3
cutting attachment guard must be installed to prevent debris from being thrown at the operator and prevent the string
8. DO NOT OPERATE UNIT FOR PROLONGED PERI-
ODS. Rest periodically.
from extending longer than necessary.
17 MUFFLER SHIELD helps prevent hands, body and/or combustible materials from making contact with a hot muffler.
9. DO NOT OPERATE UNIT WHILE UNDER THE
INFLUENCE OF ALCOHOL OR DRUGS.
4
3
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SPECIFICATIONS
ASSEMBLY INSTRUCTIONS
Model No. . . . . . . . . . . . . . . . . . . . . . . . . . . .BC 435L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BC 435B
WARNING: Please install the unit according
to the assembly instructions, or else it may be
cause dangerous to the operator.
(965874001)
Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air-cooled, 4-cycle, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-cooled, 4-cycle,
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Chrome Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chrome Cylinder
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 cm3
Dry Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 35Kg
35 cm3
5.6Kg
.
LOOP WITH BARRIER”HANDLE INSTALLATION
( BC 435L)
Fuel Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .730 cm3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 730 cm3
Bump Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Twin Line Bump Feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Twin Line Bump Feed
Blade4 Teeth . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Teeth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Teeth
Drive Shaft Length . . . . . . . . . . . . . . . . . . . . . . . . .66cm + 66cm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66cm + 66cm
Cutting Width (Twin Line Head) . . . . . . . . . . . . . . .43cm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43cm
(Blade) . . . . . . . . . . . . . . . . . . . . . .23cm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23cm
Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .“Loop With Barrier”Handle . . . . . . . . . . . . . . . . . . . . . . .“Bullhorn”Handle
Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electronic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electronic
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Centrifugal Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Centrifugal Clutch
Sound pressure level . . . . . . . . . . . . . . . . . . . . . . .101.6 dB(A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101.6 dB(A)
Sound power level . . . . . . . . . . . . . . . . . . . . . . . . .111 17dB(A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111 17 dB(A)
Guarantee sound power level . . . . . . . . . . . . . . . . .112 dB(A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112 dB(A)
Vibration level for racing (Max.) . . . . . . . . . . . . . .<15 m/s2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <15 m/s2
Vibration level for idling (Max.) . . . . . . . . . . . . . .<15 m/s2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <15 m/s2
Maximum Engine Performance . . . . . . . . . . . . . . .0.90 kW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.90 kW
Engine Speed (rotationalfrequency) at recommended
1. To install handle onto unit, you will need the follow-
ing components from your user kit: handle (A & B),
screws (C) and nuts (D). (Fig. 1A)
2. Install the handle (B) after the position point (E) on
the shaft and tighten the 2 screws (C) and nuts (D).
Fig. 1B
A
C
B
max. spindle rotational frequency
Fig. 1C
Fig. 1D
(Bump Feed Head) . . . . . . . . . . . . .8700 min-1 . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 8700 min-1
(Blade) . . . . . . . . . . . . . . . . . . . . . .9500 min-1 . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 9500 min-1
Idle speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3000±200 min -1 . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .3000±200min-1
INSTALLING THE ATTACHMENT
(BC 435L 965874001 ）
D
Fig. 1A
Fuel consumption . . . . . . . . . . . . . . . . . . . . . . . . . .700 g/kWh . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .700 g/kWh
WARNING: To avoid serious personal injury,
shut unit off before removing or installing
attachment.
•
BULLHORN¨ HANDLE INSTALLATION
NOTE: To make installing or removing the attachment
easier, place the unit on the ground or on a work bench.
1. Turn the knob (A) counterclockwise to loosen (Fig.
2A).
2. While firmly holding the attachment (B), push it
straight into the Quick-Change coupler (C) until the
release button (D) appears in the primary hole (E) of
the Quick-Change coupler. (Fig. 2B)
(BC 435B)
SPECIFICATIONS
1. To install handle onto unit, you will need the following
com enopts from y uor user kit: “ ubll ohrn” dnahle (A),
Model No. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......... . . . . . . . . . . . . .BC 435L
Engine Type
. . . . . . . . . . . . . . .Air-cooled, 4-cycle,
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Chrome Cylinder
. . . . . . . . . . . . . . . . . .35 cm3
fixing holder (B), clamp (C) and screws (D). (Fig. 1B)
2. Install the fixing holder (B) after the position point (E)
on the shaft, put the clamp (C) over the shaft and
tighten the 2 screws (D).
3. Install the bullhorn handle (A) on the fixing holder, put
the other clamp(C)over bullhorn handle,adjut handle
to appropriate position and tighten the other 2 screws
(F). (Fig. 1C)
Displacement
Dry Weight
Fuel Capacity
Bump Head
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.2Kg
. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .730 cm3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Twin Line Bump Feed
. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .4 Teeth
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132cm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43cm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23cm
3. Turn the knob (A) clockwise to tighten. (Fig. 2C)
Blade4 Teeth
CAUTION: The release button must be in the
primary hole and the knob securely tightened
before operating this unit.
Drive Shaft Length
Cutting Width (Twin Line Head)
(Blade)
Handle
Ignition
4. Install wire tie (G) included in the user kit as shown
(Fig. 1D).
“Loop With Barrier” Handle
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electronic
All attachments are designed to be used in the primary
hole unless otherwise indicated in the specific attach-
ments operators manual. If the incorrect hole is used, it
could result in injury, or damage to the unit.
Drive
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Centrifugal Clutch
. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . 101.6 dB(A)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111 17dB(A)
. . . . . . . . . . . . . . . 112 dB(A)
Sound pressure level
Sound power level
Guarantee sound power level
Vibration level for racing (Max.)
Vibration level for idling (Max.)
Maximum Engine Performance
Engine Speed (rotationalfrequency) at recommended
max. spindle rotational frequency
(Bump Feed Head)
(Blade)
E
D
. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . <15m/s2
. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . <15m/s2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.90 kW
B
C
C
B
. . . . . . . . . . . . .8700 min-1
. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .9500 min-1
Idle speed
Fuel consumption
. . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .3000±200 min-1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700 g/kWh
Fig. 2A
Fig. 2B
5
6
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•
REMOVE AND INSTALLATION THE BLADE
COVER
WARNING: Be sure the blade center hole is
properly sized to the collar arbor.
FUEL SYSTEM
•
Refueling
CAUTION: Before you take apart the blades,
This engine is certified to operate on unleaded gasoline
with a pump octane rating of 93 or higher.
wear gloves to prevent any danger.
2. Install blade (C) with teeth pointing CLOCKWISE as
shown in the illustration (Fig. 6B).
3. Install flange (E) with FLAT SURFACE facing blade
(Fig. 6B).
You may use regular unleaded gasoline containing no
more than 10% ethanol (E10) or 5% methanol by volume.
In addition, methanol must contain cosolvents and
corrosion inhibitors. Use of fuels with content of ethanol or
methanol greater than shown above may cause starting
and/or performance problems. It may also damage metal,
rubber, and plastic parts of the fuel system. Engine
damage or performance problems that result from using a
fuel with percentages of ethanol or methanol greater than
shown above are not covered by warranty.
A
CAUTION:When the machine is not in use or
in transportation, make sure blades have
been covered.
Fig. 2C
NOTE: Make sure blade is centered on collar arbor.
4. Tighten nut (B) securely by turning it COUNTER-
CLOCKWISE with socket wrench (F). Remove hold-
ing pin (Fig. 6B).
•
CUTTING ATTACHMENT GUARD
1. Before assembling blades, please remove the blades
1. Install the cutoff knife as shown below.
2. place the guard on the cutting shaft, then install
clamp (A)on the guard. (Fig.3 )
cover first.
2. Refer figure 5A and Figure 5B, hold the blades cover,
and pull sligtly the cover outward the cover can be
taken apart.
3. Tighten screws (B).
WARNING:
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when
handling fuel.
• Stop the engine and keep heat, sparks, and
flame away.
3. Refer to figure 5C and 5D, and assemble in the oppo-
site way to cover the blades.
B
B
A
E
C
F
D
• Handle fuel only outdoors.
• Wipe up spills immediately.
A
Check the fuel level by looking through the translucent
fuel tank. If the fuel level is low, refuel in a well-ventilated
area with the engine stopped. If the engine has been
running, allow it to cool first.
Never use stale or contaminated gasoline or an
oil/gasoline mixture.
Fig. 6A
Fig. 5A
Fig. 5B
Fig. 3
•
CUTTING HEAD INSTALLATION
1. Install spline sleeve (D) and gear collar (A) in turn
ensuring that collar spacer is in place (Fig. 4).
Avoid getting dirt or water in the fuel tank.
To refuel, rest the trimmer on the ground with the fuel
tank cap facing up, as shown. Remove the fuel tank cap
and fill the tank with gasoline to the bottom of the filler
neck. Refuel carefully to avoid spilling fuel.
Do not overfill. There should be no fuel in the filler neck.
After refueling, tighten the fuel tank cap securely.
2. Insert holding pin (C) and thread cutting head onto
shaft. Tighten cutting head by hand only (Fig. 4)
C
Fig. 5C
Fig. 5D
F
•
BLADE INSTALLATION
A
CAUTION: NEVER use unit if blade is
warped or has teeth that are chipped or miss-
ing. Replace a damaged blade immediately.
E
B
Fig. 6B
CAUTION: NEVER operate unit with a blade
unless metal blade guard is properly
installed. NEVER operate a unit with a dam-
aged guard.
D
B
A
Fig. 7A
CAUTION: Always wear heavy-duty work
gloves when handling and installing a blade.
Never refuel the engine inside a building where gasoline
fumes may reach flames or sparks. Keep gasoline away
from appliance pilot lights, barbecues, electric appliances,
power tools, etc.
Spilled fuel is not only a fire hazard, it causes
environmental damage. Wipe up spills immediately.
Move at least 10 feet (3 meters) away from the fueling
source and site before starting the engine.
C
1. To install the blade you will need the items illustrated
above (screwdriver not provided): holding pin (A),
retaining nut (B), blade (C), screwdriver (D), flange
(E), socket wrench (F) (Fig. 6A)
Fig. 4
NOTE:
Fuel can damage paint and plastic. Be careful not to spill
fuel when filling your fuel tank. Damage caused by spilled
fuel is not covered under warranty.
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NOTE:
ENGINE OIL
•
WARM ENGINE START
OPERATING INSTRUCTIONS
Running the engine with too little or too much oil can
cause engine damage.
The trimmer is shipped WITHOUT OIL in the engine.
NOTE:Fill oil before starting engine.
1. Place the trimmer on a level surface, and then
remove the oil filler cap/dipstick.
1. Move choke lever to RUN ” “ position. Engine will be
started after pulling starter rope 2 times.(Fig.9G)
•
SHOULDER HARNESS
4. Screw in the oil filler cap/dipstick securely.
2. If engine fails to start, refer to Starting a cold engine
section.
WARNING: ALWAYS WEAR SHOULDER
HARNESS when operating unit with a blade.
Attach harness to trimmer after starting unit
and engine is running at IDLE. Turn ENGINE
OFF before disconnecting shoulder harness.
•
Engine Oil Change
NOTE: If engine fails to start after repeated attempts, refer
to Troubleshooting section.
Drain the used oil while the engine is warm. Warm oil
drains quickly and completely.
NOTE: Always pull starter rope straight out. Pulling starter
at an angle will cause rope to rub against the eyelet. This
friction will cause the rope to fray and wear more quickly.
Always hold starter handle when rope retracts. Never
allow rope to snap back from extended position. This
could cause rope to snag or fray and also damage the
starter assembly.
NOTE: When you install the cutting attachment, please
follow the below requirements:
1. Put the harness on so the shoulder strap is over your
shoulders.
2. Attache the harness clip (C) to the ring (D) mounted
on the shaft (Fig. 8A and 8B).
3. Adjust length of shoulder strap so stringhead is par-
allel to the ground as it hangs from the strap. A few
practice swings without starting engine should be
made to determine correct balance.
NOTE: Detach the shoulder harness from the unit before
starting engine.
13cm
BC 435B
C
Fig.7B
2. Slowly add the recommended oil (included in the box)
to the bottom edge of the oil filler opening. Do not
overfill, as the engine oil tank capacity is small.
3. If the supplied oil is not used, add enough SAE 10W-
30 API service category SJ or later oil. Add oil until
the oil level is to the bottom edge of the oil filler
opening.
A
For blade
100-400mm
For String
Head
0-300mm
BC 435L
B
D
Fig. 9A
Fig. 9B
Fig.7D
BC 435L
BC 435B
A
C
1. Place a suitable container below the engine to catch
the used oil, then remove the filler cap/dipstick and
drain the used oil through the filler opening. Allow the
used oil to drain completely.
NOTE:
Running the engine with too little or too much oil can
cause engine damage.
D
Please dispose of used motor oil in a manner that is
compatible with the environment. We suggest you
take used oil in a sealed container to your local
recycling center or service station for reclamation. Do
not throw it in the trash, pour it on the ground, or pour
it down a drain.
4. Screw in the oil filler cap/dipstick securely.
Fig. 9C
Fig. 9D
Fig. 9F
Fig. 9G
Fig. 8A
Fig. 8B
•
Engine Oil Level Check
A
BC 435L
Check the engine oil level before each use, or every 10
hours if operated continuously. Rest the trimmer on a level
surface, with the engine stopped and in an upright position.
•
STARTING A COLD ENGINE
A
2. With the engine in an upright position, fill to the edge
of the oil filler hole with the recommended oil.
3. Screw in the filler cap/dipstick securely.
B
NOTE: To minimize load on engine during starting and
warm-up, trim excess cutter line to 13cm (Fig. 9A).
1. Press ON/OFF switch to the “RUN (I)” position (Fig.
9B).
BC 435B
B
•
Engine Oil Recommendations
2. Press the primer bulb 10 times.(Fig.9D)
Fig. 9E
3.
Move choke lever to CHOKE“ ” position.(Fig.9C)
Oil is a major factor affecting performance and service
life. Use 4-stroke automotive detergent oil.
4. Set throttle lock (C): Press the throttle trigger lockout
(A) down and then while holding throttle trigger (B)
at partially open position, press down and hold
throttle lock (C). Release throttle trigger (B). Throttle
trigger (B)will now remain in the partially depressed
position;
SAE 10W-30 is recommended for all temperatures within
the recommended operating range for these trimmers.
The recommended operating range extends from 23° ~
104°F (-5° ~ 40°C).
If no throttle lock: Press the throttle trigger lockout
down and then while holding throttle trigger (B) at
one-third open position.(Fig. 9B)
The SAE oil viscosity and service classification are on the
API label on the oil container. Recommend that you use
API service category SJ or later.
Fig.7C
O
•
Low temperature start (0-5 C)
1. Press ON/OFF switch to the “RUN (I)” position (Fig.
10A).
Pull starter rope 3 times. (Fig. 9F)
1. Remove the filler cap/dipstick and wipe it clean.
2. Insert and remove the dipstick without screwing it into
the filler opening. Check the oil level shown on the
dipstick.
3. If the oil level is low, fill to the edge of the oil filler hole
with the recommended oil . To avoid overfilling or
underfilling, be sure the engine is in a level position,
as shown.
5.
6.
Move choke lever to RUN “ ” position. Engine will be
started when pull starter rope 1 time. Continually warm
10 seconds after engine started, and then pull throttle
trigger to full position. (Fig. 9G)
NOTE: change the engine oil after first month or 10 hours.
NOTE: change the engine oil every 6 months or 50 hours.
2. Press the primer bulb 10 times.(Fig.9D)
3.
Move choke lever to CHOKE” ” position.
If engine fails to start, repeat step 1 to 5.
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•
IF OPERATING UNIT ON A SLOPE, stand below the
cutting attachment. DO NOT OPERATE on a slope or
hilly incline if there is the slightest chance of slipping or
losing your footing.
4. Set throttle lock (C): Press the lockout switch (A) down
and then while holding trigger (B) at partially open
position, press down and hold throttle lock (C).
Release throttle trigger (B).Throttle trigger (B) will now
remain in the partially depressed position If no
throttle lock: Press the throttle trigger lockout down
and then while holding throttle trigger (B) at
one-third open position.(Fig. 9B).
CLOSER TRIMMING
•
USING WEED BLADES
Position trimmer straight ahead with a slight tilt so bottom
of cutting head is above ground level and string contact
occurs at proper cutting point. Always cut away from oper-
ator. Do not pull trimmer toward operator.
SCYTHING WEEDS
Scything refers to cutting by moving the blade from side to
side in a level arc. It is most effective with grassy weeds
and light undergrowth. It should not be used to cut large,
tough weeds or woody growth (Fig. 13).
•
CUTTING HEAD LINE RELEASE
FENCE / FOUNDATION TRIMMING
WARNING: DO NOT use steel wire or plas-
tic-coated steel wire of any kind with your cut-
ting head. Serious operator injury can result.
Approach trimming around chain link fences, picket
fences, rock walls and foundations slowly to cut close
without whipping string against the barrier. If the string
comes in contact with rock, brick walls, or foundations, it
will break or fray. If string snags fencing, it will snap off.
Pull starter rope 6 times.
5.
Move choke lever to RUN ” ” position.
Engine will be started when pull starter rope 2 times.
(Fig.10B)
To release fresh line, run engine at full throttle and “bump”
cutting head against lawn. Line will automatically release.
The knife in the cutting attachment guard will trim excess
line (Fig. 11A).
TRIMMING AROUND TREES
Continually warm 10seconds after engine started, and
then engine will reach high speed.
Trim around tree trunks with a slow approach so string
does not contact bark. Walk around the tree trimming from
left to right. Approach grass or weeds with the tip of the
string and tilt cutting head slightly forward.
If engine fails to start, repeat step 1 to 5.
6.
CAUTION: Periodically remove weed wrap to
prevent overheating the drive shaft. Weed
wrap occurs when strands of weeds become
entangled around the shaft beneath the cut-
ting attachment guard (Fig. 11B). This condi-
tion prevents the shaft from being properly
cooled. Remove weed wrap with screwdriver
or similar device.
WARNING: Use extreme caution when
SCALPING. Keep a distance of 50 feet (15
meters) between operator, other people and
animals during these operations.
Fig. 13
CAUTION: Do not use weed blades to cut
brush or tree saplings.
BC 435B
A
SCALPING
BUMP
Scalping refers to removal of all vegetation down to the
ground. To do this, tilt the cutting head to about a 30
degree angle to the right. By adjusting the handle you will
have better control during this operation. Do not attempt
this procedure if there is any chance flying debris could
injure operator, other people or cause damage to proper-
ty (Fig. 12B).
•
USING A BRUSH BLADE
BC 435L
SCYTHING
Scything may be used with a brush blade for light brush
and undergrowth. It is not recommended for tough growth.
Fig. 10A
Fig. 10B
BINDING
•
TO STOP ENGINE
Release throttle trigger. Let engine return to idle. Push and
Fig. 11A
Fig. 11B
Top heavy growth such as saplings and heavy brush can
bind and stop the blade. Avoid binding by anticipating
which way the growth will lean, and cut from the opposite
side.
If the blade binds in a cut stop the engine immediately.
Hold the unit up to prevent the blade from cracking or
breaking while pushing the sapling away from the cut to
free the blade.
hold ignition stop switch until engine stops.
•
TRIMMING PROCEDURES
When properly equipped with a cutting attachment guard
and cutting head, your unit will trim unsightly weeds and
tall grass in those hard-to-reach areas - along fences,
walls, foundations and around trees. It can also be used for
scalping to remove vegetation down to the ground for eas-
ier preparation of a garden or to clean out a particular area.
NOTE: Even with care, trimming around foundations, brick
or stone walls, curves, etc., will result in above normal
string wear.
TRIMMER INSTRUCTIONS
•
ADDITIONAL SAFETY PRECAUTIONS
Before operating your unit, review ALL SAFETY PRE-
CAUTIONS in this manual.
AVOID KICKOUT
WARNING / CAUTION
Kickout is the reaction of a moving blade if it contacts a
strong tree, brush or a solid object. The force that occurs
violently pushes the blade away in an arc. Kickout could
cause loss of control resulting in injury to the operator or
bystanders.
DO NOT USE A BLADE NEAR A CHAIN LINK FENCE,
METAL STAKES, LANDSCAPE BORDERS OR BUILD-
ING FOUNDATIONS.
The Partner blade guard is designed to reduce the risk of
kickout by providing stops to brace the unit against the
object being cut.
Place the sapling against the stop (A) so the rotation of
the blade continually draws it into the stop (A) (Fig. 14).
•
IF UNFAMILIAR WITH TRIMMING OR CUTTING
techniques, practice the procedures with ENGINE in
“OFF” position.
Fig. 12B
TRIMMING / MOWING
•
ALWAYS CLEAR WORK area of debris such as cans,
bottles, rocks, etc. Striking objects can cause serious
injury to operator or bystanders and also damage
equipment. If an object is accidentally hit, immediately
TURN ENGINE OFF and examine equipment. Never
operate unit with damaged or defective equipment.
Swing trimmer with a sickle-like motion from side to side.
Do not tilt the cutting head during the procedure.Test area
to be trimmed for proper cutting height. Keep cutting head
at same level for even depth of cut (Fig. 12A).
DO NOT SWEEP WITH TRIMMER
Sweeping refers to tilting cutting head to sweep away
debris from walkways, etc. Your trimmer is a powerful tool
and small stones or other such debris may be hurled 50
feet (15 meters) or more, causing injury or damage to
nearby property such as automobiles, homes and win-
dows.
•
ALWAYS TRIM OR CUT AT HIGH ENGINE SPEEDS.
Do not run engine slowly at start or during trimming
operations.
•
CUTTING WITH BLADES
•
•
•
DO NOT use equipment for purposes other than
trimming or mowing weeds.
NEVER raise cutting head above knee height during
operation.
DO NOT operate unit with other people or animals in
the immediate vicinity. Allow a minimum of 50 feet (15
meters) between operator and other people and
animals when trimming or mowing.
WARNING: Before operating this machine with
a blade check to ensure it is properly installed.
Follow all warnings listed in the blade safety
precautions section in this manual.
Always wear eye protection and protective clothing when
cutting with a blade.
Always use the harness for blade operations.
•
Allow a distance of 100 feet (30 meters) between
operator and other people and animals when
SCALPING with cutting head cutter.
Fig. 12A
Fig. 14
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•
STORING A UNIT
MAINTENANCE INSTRUCTIONS
C
A
WARNING: Failure to follow these steps
•
REPLACING CUTTER LINE
may cause varnish to form in the carburetor
and difficult starting or permanent damage
following storage.
1. Turn the nut (A) CLOCKWISE and remove it (Fig.
15A).
H
J
D
J
2. Remove the spool (C), and spring (D) from spindle
(E).
3. Remove any remaining cutter line.
4. Double a 32' (9.8m) length of .095 or .105" (.24 or
.27cm) cutter line. Place the looped center in one of
the slots (G) of the spool divider (Fig. 15B).
E
1. Perform all the general maintenance recommended
in the Maintenance Section of your User Manual.
2. Clean exterior of engine, Output Shaft, cutting attach-
ment guard and cutting head.
3. Drain fuel from the fuel tank.
4. After fuel is drained, start engine.
Fig. 15D
B
F
Fig. 17A
Fig. 17B
Fig. 15E
B
5. Wind as shown in illustration (Fig. 15C), keeping ten-
sion, with each half separated by the spool divider.
Wind to within 6" (15cm) of the ends.
6. Lock each end of line into a slot (H) on opposite sides
of the spool (Fig. 15D).
7. Install the spring (D) over the spindle (E). Insert each
end of the line through an eyelet (J) in the housing (F)
(Fig. 15E).
8. Lower the spool into the housing (E) while feeding the
line through the eyelets (J). Ensure the spring seats
itself into the spool (Fig. 15E).
9. Once the spool is in place, apply pressure on the
spool compressing the spring. Pull each end of the
line (B) sharply to unlock the line from the slots (Fig.
15F).
10. Continue to apply pressure to the spool until the knob
can be threaded COUNTERCLOCKWISE onto the
spingle. Tighten the knob securely by hand only (Fig.
15H)
5. Run engine at idle until unit stops. This will purge the
carburetor of fuel.
6. Allow engine to cool (approx. 5 minutes).
7. Using a spark plug wrench, remove the spark plug.
5” (13mm)
B
Fig. 15F
Fig. 15G
Fig. 15H
D
8. Pour
1
teaspoon of clean 4-cycle oil into the
•
AIR FILTER
Fig. 17C
combustion chamber. Pull starter rope slowly several
times to coat internal components. Replace spark
plug.
CAUTION: NEVER operate trimmer without
the air filter. The air filter must be kept clean.
If it becomes damaged, install a new filter.
•
CARBURETOR ADJUSTMENT
9. Store unit in a cool, dry place away from any source
of ignition such as an oil burner, water heater, etc.
The carburetor was pre-set at the factory for optimum per-
formance. If further adjustments are necessary, please
take your unit to the nearest Authorized Service Center.
To Clean Air Filter:
•
REMOVING A UNIT FROM STORAGE
1. Remove spark plug.
1. Remove button (A) holding air filter cover in
place,remove cover (B) and lift filter (C) from air box
(Fig.16).
2. Wash filter in soap and water. DO NOT USE GASO-
LINE!
•
SPARK PLUG
1. Spark plug gap = .025" (.635mm) (Fig. 18).
2. Torque to 105 to 130 inch pounds (12 to 15 N•m).
2. Pull starter rope briskly to clear excess oil from com-
bustion chamber.
3. Clean and gap spark plug or install a new spark plug
with proper gap.
4. Prepare unit for operation.
5. Fill fuel tank with proper fuel.
Connect spark plug boot.
3. Air dry filter.
4. Reinstall filter.
F
NOTE: clean the air filter element every 3 months or 25 hours.
11. Trim the excess line to approximately 5” (13cm). This
wil minimize load on engine durig starting and warm-
up. (Fig. 15H)
NOTE: Replace filter if frayed, torn, damaged or unable to
be cleaned.
E
A
A. KNOB
B
C
G
B. CUTTER LINE
Fig. 18
Fig. 19
J
C. SPOOL
D. SPRING
B
E. SPINDLE
F. HOUSING
G. DIVIDER SLOTS
H. SLOTS
•
CUTTING ATTACHMENT GUARD KNIFE
SHARPENING
C
1. Remove cutter knife (A) from cutting attachment guard
(B) (Fig. 19).
2. Place knife in a bench vise. Sharpen knife using a flat
file, being careful to maintain the angle of cutting
edge. File in one direction only.
J. EYELETS
Fig. 16
A
•
FUEL CAP / FUEL FILTER
F
E
D
B
COUTION: Remove fuel from unit and store
in approved container before starting this
procedure. Open fuel cap slowly to release
any pressure which may have formed in fuel
tank.
Fig. 15A
1.
Completely remove fuel cap (A) from fuel tank (B)
to be able to remove fuel filter (D) from tank. Use a
piece of wire (C) with a hook formed at the end to
pull filter out of tank. (Fig. 17A & Fig. 17B)
Pull filter (D) off with a twisting motion.
2.
3.
Replace fuel filter (D). (Fig. 17C)
Fig. 15B
Fig. 15C
NOTE: Never operate the trimmer without the fuel
filter. Internal engine damage could result!
13
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TROUBLE SHOOTING THE ENGINE
PROBABLE CAUSE
PROBLEM
CORRECTIVE ACTION
EU Declaration of Conformity
according to the regulations 98/37/EC, 2004/108/EC,
2000/14/EC+2005/88/EC, 2002/88/EC
Incorrect starting procedures.
Follow instructions in the User Manual.
Incorrect carburetor mixture
adjustment setting.
Have carburetor adjusted by an
Authorized Service Center.
Unit won’t start or starts but will
not run.
Fouled spark plug
Clean / gap or replace plug.
Replace fuel filter.
Fuel filter plugged.
For the following equipment / product : Brush Cutter/Grass Trimmer, Gasoline
Type Designation
: BC 435L / BC 435B
Incorrect lever position on choke.
Move to RUN position.
Trademark
: Partner
Dirty spark arrester screen.
Dirty air filter.
Replace spark arrester screen.
Remove, clean and reinstall filter.
Unit starts, but engine has low
power.
:
Importer's Name
Importer's Address
Husqvarna AB
:SE-561 82 Huskvarna, Sweden
Incorrect carburetor mixture
adjustment setting.
Have carburetor adjusted by an
Authorized Service Center.
Engine hesitates.
Incorrect carburetor mixture
adjustment setting.
Have carburetor adjusted by an
Authorized Service Center.
No power under load.
We herewith confirm to comply with the requirements set out in the Council
Directive 98/37/EC, 2004/108/EC, 2000/14/EC+2005/88/EC, 2002/88/EC.
For the evaluation of the compliance with these Directives, the following
Runs erratically.
Incorrectly gapped spark plug.
Clean / gap or replace plug.
Incorrect carburetor mixture
adjustment setting.
Have carburetor adjusted by an
Authorized Service Center.
Smokes excessively.
applied:
standards were
EN ISO 11806 : 1997, EN ISO 11806 : 1997/AC, EN ISO 14982:1998
Sound pressure level : 101.6 dB(A)
Sound power level : 111.17dB(A)
Guarantee sound power level : 112 dB(A)
Person responsible for making this declaration
Name, surname
Position/Title
: Ronnie Goldman
:
Director of Engineering
Handheld Consumer Products
Shanghai, P. R. C.
2008/12/08
15
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