2 Gallon, 100 PSI oIlleSS
aIr ComPreSSor
model 47407
aSSembly and oPeratIon InStruCtIonS
Due to continuing improvements, actual product may differ slightly from the product described herein.
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
to PreVent SerIouS Injury, read and underStand
all warnInGS and InStruCtIonS before uSe.
Copyright© 2002 by Harbor FreightTools®. All rights reserved. No portion of this manual
or any artwork contained herein may be reproduced in any shape or form without the
express written consent of Harbor Freight Tools.
for technical questions or replacement parts, please call 1-800-444-3353.
revised Cover Page 02/04; 11/04; 02/05; 01/07
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6.
7.
dress properly. Do not wear loose clothing or jewelry as they can be caught in
moving parts. Protective, electrically non-conductive clothes and non-skid footwear
are recommended when working. Wear restrictive hair covering to contain long hair.
use eye and ear protection. Always wear ANSI approved impact safety goggles.
Wear an ANSI approved dust mask or respirator when working around metal, wood,
and chemical dusts and mists.
8.
9.
do not overreach. Keep proper footing and balance at all times. Do not reach over or
across running machines.
maintain tools with care. Keep tools sharp and clean for better and safer
performance. Follow instructions for lubricating and changing accessories. Inspect tool
cords periodically and, if damaged, have them repaired by an authorized technician.
The handles must be kept clean, dry, and free from oil and grease at all times.
10. disconnect power. Unplug tool when not in use.
11. remove adjusting keys and wrenches. Check that keys and adjusting wrenches
are removed from the tool or machine work surface before plugging it in.
12. avoid unintentional starting. Be sure the switch is in the Off position when not
in use and before plugging in. Do not carry any tool with your finger on the trigger,
whether it is plugged in or not.
13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool
when you are tired.
14. Check for damaged parts. Before using any tool, any part that appears damaged
should be carefully checked to determine that it will operate properly and perform its
intended function. Check for alignment and binding of moving parts; any broken parts
or mounting fixtures; and any other condition that may affect proper operation. Any
part that is damaged should be properly repaired or replaced by a qualified technician.
Do not use the tool if any switch does not turn On and Off properly.
15. Guard against electric shock. Prevent body contact with grounded surfaces such as
pipes, radiators, ranges, and refrigerator enclosures.
16. replacement parts and accessories. When servicing, use only identical
replacement parts. Use of any other parts will void the warranty. Only use accessories
intended for use with this tool. Approved accessories are available from Harbor Freight
Tools.
17. do not operate tool if under the influence of alcohol or drugs. Read warning
labels on prescriptions to determine if your judgment or reflexes are impaired while
taking drugs. If there is any doubt, do not operate the tool.
18. maintenance. For your safety, service and maintenance should be performed
regularly by a qualified technician.
19. use proper size and type extension cord. If an extension cord is required, it must
be of the proper size and type to supply the correct current to the tool without heating
up. Otherwise, the extension cord could melt and catch fire, or cause electrical
damage to the tool. This tool requires use of an extension cord of 0 to 10 amps
SKU 47407
for technical questions, please call 1-800-444-3353.
Page 3
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capability (up to 50 feet), with wire size rated at 18 awG. Longer extension cords
require larger size wire. If you are using the tool outdoors, use an extension cord rated
for outdoor use (signified by “WA” on the jacket).
20. Pacemaker safety warning. People with pacemakers should consult with their
physician(s) before using this product; operation of equipment in close proximity to a
heart pacemaker could cause interference or failure of the pacemaker.
21. drain compressor every day. Do not allow moisture to build up inside the
compressor. Do not allow compressor to sit pressurized for longer than one hour.
22. make sure all equipment is rated to the appropriate capacity. Adjust the output
air pressure to the tool’s operating capacity.
23. avoid explosions and fire. Never place flammable objects near the compressor.
Never spray water or any flammable liquids towards the compressor.
24. avoid body injury. Never direct the air outlet at persons or animals.
25. warnInG: The brass components of this product contain lead, a chemical
known to the State of California to cause birth defects (or other reproductive harm).
(California Health & Safety code § 25249.5, et seq.)
note: Performance of this tool may vary depending on variations in local line voltage. Exten-
sion cord usage may also affect tool performance.
warning:the warnings, cautions, and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur. It must be under-
stood by the operator that common sense and caution are factors which cannot be built
into this product, but must be supplied by the operator.
unpacking
When unpacking, check to make sure the following parts are included. If any parts are miss-
ing or broken, please call Harbor Freight Tools at the number on the cover of this manual as
soon as possible.
On/Off Switch
Water Spill Valve
Tire chuck
Blow gun with tip
reV 09/06
SKU 47407
for technical questions, please call 1-800-444-3353.
Page 4
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assembly
1.
Attach the Coil Air Hose to the Air Outlet as shown below.
Regulator Pressure Gauge I (46)
Pressure Release Valve
Regulator Pressure Gauge II (50)
Coil Air Hose
Regulator Adjusting Knob (53)
2.
Attach the Blow Gun (with desired tip), tire chuck, or other user supplied attachment
to the other end of the Coil Air Hose.
operation
turning Compressor on
1.
Plug the power cord into an electrical outlet with a grounding prong. note: only use
a 115V electrical source ( 10% maximum variation.)
2.
3.
Push the On/Off Switch to the ON position.
Allow the Tank to fill to 80 PSI before using.
With the Air Compressor turned on, operation is automatic and under the control of
the internal pressure switch.
Internal Pressure Switch
Caution: do not make changes to the internal pressure level switch; any change to the
automatic on/off pressure levels will cause additional stress on the motor which may
result in shortened motor life. doing so will void the warranty.
using the Pressure relief Valve
The Pressure Relief Valve is used when decompression is needed quickly and efficiently.
1.
2.
Press the On/Off Switch to the OFF position.
Pull on the Pressure Release Valve ring to release pressure.
Caution: wear safety glasses. the released air is under high pressure and can cause
debris and dirt to fly as the air exits the tank.
reV 11/04
SKU 47407
for technical questions, please call 1-800-444-3353.
Page 5
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empty air and Condensation
The water spill valve Petcock (11) is located underneath the Air Tank (shown in the photo
on page 4). It must be used daily to release all trapped moisture from the tank. It will also
get rid of any condensation that may cause tank corrosion.
warning: do not open the water Spill Valve so that more than four threads are show-
ing.
1.
2.
3.
Push the On/Off Switch to turn the compressor off.
Unscrew the water spill valve Petcock (11) two to three turns only.
When all pressure is released, close the water spill valve again.
maintenance
Purge the Air Tank daily of all air and moisture to prevent corrosion.
Store the Air Compressor in a clean and dry location.
Check all air fittings for leaks before using.
1.
2.
3.
PleaSe read tHe followInG Carefully
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS DIAGRAM INTHIS
MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBU-
TOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT
HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE
IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER
AND/OR DISTRIBUTOR EXPRESSLY STATESTHAT ALL REPAIRS AND PARTS REPLACEMENTS
SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE
BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER
REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING
SKU 47407
for technical questions, please call 1-800-444-3353.
Page 6
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Parts list
Part
1
description
Handle
Part
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
description
Screw, M4x10
Screw, M3x5
Washer
Part
41
description
Motor Drive
2
Shroud
42
Gasket
3
Switch
43
Cover
4
Screw
Frame for Circle Board
Circle Board
Screw
44
Screw, Stun
Rubber Frame
5
Fan
45
6
Nut, M3
Regulator Pressure
Gauge I
46
7
Screw, M3x10
Air Pressure Switch
Base Plate & Tank
Drainage Valve
Screw, M4 x 14
Washer, M4
Washer, Rubber
Valve Body
Connector I
Spring
Cylinder Heat
O-Ring
47
48
49
Connector II
Connector III
Safety Valve
8
9
Spring Plate
Plate
10
11
12
13
14
15
16
17
18
19
20
Regulator Pressure
Gauge II
50
O-Ring
Cylinder Gasket
Cylinder
Piston
O-Ring
Spring Plate
Piston & Rod Assembly
Bearing
Rubber Plug
Outlet Connector
Tube Assembly
Nylon Clamp
Crankshaft
Screw
note: Some parts are listed and shown for illustration purposes only and are not available
individually as replacement parts.
reV 01/03, 03/06; reV 01/07
SKU 47407
for technical questions, please call 1-800-444-3353.
Page 7
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assembly drawing
Limited 1Year
warrantY
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability
standards, and warrants to the original purchaser that this product is free from defects in materials
and workmanship for the period of one year from the date of purchase. This warranty does not apply
to damage due directly or indirectly to misuse, abuse, negligence or accidents; repairs or alterations
outside our facilities; or to lack of maintenance. We shall in no event be liable for death, injuries to
persons or property, or for incidental, contingent, special or consequential damages arising from the
use of our product. Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation of exclusion may not apply to you. THiSWarranTy iS expreSSly
in lieu oF all oTHer WarranTieS, expreSS or implied, inCluding THe WarranTieS
oF merCHanTabiliTy and FiTneSS.
warranty
To take advantage of this warranty, the product or part must be returned to us with transportation
charges prepaid. proof of purchase date and an explanation of the complaint must accompany the
merchandise. if our inspection verifies the defect, we will either repair or replace the product at our
election or we may elect to refund the purchase price if we cannot readily and quickly provide you with
a replacement.We will return repaired products at our expense, but if we determine there is no defect,
or that the defect resulted from causes not within the scope of our warranty, then you must bear the
cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state
to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
REV 01/03, 03/06, 07/06
SKU 47407
for technical questions, please call 1-800-444-3353.
Page 8
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