Harbor Freight Tools Air Compressor 69666 User Manual

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IMPORTANT SAFETY INFORMATION  
General Safety Warnings  
WARNING Read all safety warnings and instructions.  
Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.  
Save all warnings and instructions for future reference.  
The warnings, precautions, and instructions discussed in this instruction manual cannot cover all possible  
conditions and situations that may occur. It must be understood by the operator that common sense  
and caution are factors which cannot be built into this product, but must be supplied by the operator.  
1. Work area safety  
4. Compressor use and care  
a. Keep work area clean and well lit.  
a. Do not use the compressor if the switch  
does not turn it on and off. Any compressor  
that cannot be controlled with the switch  
is dangerous and must be repaired.  
Cluttered or dark areas invite accidents.  
b. Do not operate the Compressor in explosive  
atmospheres, such as in the presence  
of flammable liquids, gases or dust.  
Compressor motors produce sparks  
b. Disconnect the plug from the power source  
before making any adjustments, changing  
accessories, or storing the compressor.  
Such preventive safety measures reduce the  
risk of starting the compressor accidentally.  
which may ignite the dust or fumes.  
c. Keep children and bystanders away  
from an operating compressor.  
c. Store an idle compressor out of the reach  
of children and do not allow persons  
2. Electrical safety  
unfamiliar with the compressor or these  
instructions to operate it. A compressor is  
dangerous in the hands of untrained users.  
a. Compressor plugs must match the outlet.  
Never modify the plug in any way.  
Do not use any adapter plugs with grounded  
compressors. Standard plugs and matching  
outlets will reduce risk of electric shock.  
d. Maintain the compressor. Keep the  
compressor clean for better and safer  
performance. Follow instructions for  
lubricating and changing accessories.  
Keep dry, clean and free from oil and grease.  
Check for misalignment or binding of moving  
parts, breakage of parts and any other  
condition that may affect the compressor’s  
operation. If damaged, have the compressor  
repaired before use. Many accidents are  
caused by a poorly maintained compressor.  
b. Do not expose compressor to rain or wet  
conditions. Water entering a compressor  
will increase the risk of electric shock.  
c. Do not abuse the cord. Never use the  
cord for unplugging the compressor.  
Keep cord away from heat, oil, sharp edges  
or moving parts. Damaged or entangled  
cords increase the risk of electric shock.  
3. Personal safety  
e. Use the compressor in accordance with  
these instructions, taking into account  
the working conditions and the work to  
be performed. Use of the compressor for  
operations different from those intended  
could result in a hazardous situation.  
a. Stay alert, watch what you are doing and  
use common sense when operating this  
compressor. Do not use this compressor  
while you are tired or under the influence  
of drugs, alcohol or medication. A moment  
of inattention while operating a compressor  
may result in serious personal injury.  
5. Service  
a. Have your compressor serviced by a  
qualified repair person using only identical  
replacement parts. This will ensure that the  
safety of the compressor is maintained.  
b. Use personal protective equipment.  
Always wear ANSI-approved eye  
protection during setup and use.  
c. Prevent unintentional starting. Ensure the  
switch is in the off-position before connecting  
to power source or moving the compressor.  
Item 69666  
69669  
For technical questions, please call 1-800-444-3353.  
Page 3  
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Air Compressor Safety Warnings  
1. Risk of fire or explosion - do not spray flammable 14. USE OF AN EXTENSION CORD IS NOT  
liquid in a confined area or towards a hot surface.  
Spray area must be well-ventilated. Do not  
smoke while spraying or spray where spark or  
flame is present. Arcing parts - keep compressor  
at least 20 feet away from explosive vapors,  
such as when spraying with a spray gun.  
RECOMMENDED. If you choose to use an  
extension cord, use the following guidelines:  
TABLE A: RECOMMENDED MINIMUM WIRE  
GAUGE FOR EXTENSION CORDS  
(120 VOLT)  
EXTENSION CORD  
LENGTH  
NAMEPLATE  
AMPERES  
(at full load)  
2. Risk of bursting - do not adjust regulator higher  
than marked maximum pressure of attachment.  
25′  
50′  
16  
16  
16  
12  
100′ 150′  
16  
3. Risk of injury - do not direct air  
0 – 6  
18  
18  
16  
14  
14  
stream at people or animals.  
6.1 – 10  
10.1 – 12  
12.1 – 16  
Do not use.  
Do not use.  
Do not use.  
4. Do not use to supply breathing air.  
5. Do not leave compressor unattended  
for an extended period while plugged in.  
Unplug compressor after working.  
a. Make sure your extension cord  
is in good condition.  
6. Keep compressor well-ventilated.  
b. Be sure to use an extension cord which is heavy  
enough to carry the current your product will draw.  
An undersized cord will cause a drop in line  
voltage resulting in loss of power and overheating.  
Table A shows the correct size to use depending  
on cord length and nameplate ampere rating.  
If in doubt, use the next heavier gauge. The  
smaller the gauge number, the heavier the cord.  
Do not cover compressor during use.  
7. Drain Tank daily and after use. Internal rust causes  
tank failure and explosion.  
8. Do not remove the valve cover or  
adjust internal components.  
9. Compressor head gets hot during operation.  
Do not touch it or allow children nearby during  
or immediately following operation.  
15. Industrial applications must follow OSHA guidelines.  
16. Maintain labels and nameplates on the  
compressor. These carry important safety  
information. If unreadable or missing, contact  
Harbor Freight Tools for a replacement.  
10. Do not use the air hose to move the compressor.  
11. Release the pressure in the  
storage tank before moving.  
17. This product is not a toy.  
Keep it out of reach of children.  
12. The use of accessories or attachments not  
recommended by the manufacturer may  
result in a risk of injury to persons.  
18. People with pacemakers should consult their  
physician(s) before use. Electromagnetic fields in  
close proximity to heart pacemaker could cause  
pacemaker interference or pacemaker failure.  
13. All air line components, including hoses, pipe,  
connectors, filters, etc., must be rated for a minimum  
working pressure of 150 PSI, or 150% of the  
19. WARNING: The brass components of  
this product contain lead, a chemical  
maximum system pressure, whichever is greater.  
known to the State of California to cause  
birth defects (or other reproductive harm).  
(California Health & Safety code § 25249.5, et seq.)  
20. WARNING: Handling the cord on this product will  
expose you to lead, a chemical known to the State  
of California to cause cancer, and birth defects or  
other reproductive harm. Wash hands after handling.  
(California Health & Safety Code § 25249.5, et seq.)  
SAVE THESE INSTRUCTIONS.  
Page 4  
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69669  
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Grounding  
TO PREVENT ELECTRIC SHOCK AND DEATH  
FROM INCORRECT GROUNDING WIRE CONNECTION:  
Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.  
Do not modify the power cord plug provided with the compressor.  
Never remove the grounding prong from the plug. Do not use the compressor if the power cord or plug is  
damaged. If damaged, have it repaired by a service facility before use. If the plug will not fit the outlet, have a  
proper outlet installed by a qualified electrician.  
110-120 V~ Grounded Compressors: Compressors with Three Prong Plugs  
1. In the event of a malfunction or breakdown,  
grounding provides a path of least resistance for  
electric current to reduce the risk of electric shock.  
This compressor is equipped with an electric  
cord having an equipment-grounding conductor  
and a grounding plug. The plug must be  
plugged into a matching outlet that is properly  
installed and grounded in accordance  
6. Repair or replace damaged or worn cord immediately.  
Grounding  
Pin  
with all local codes and ordinances.  
2. Do not modify the plug provided –  
if it will not fit the outlet, have the proper  
outlet installed by a qualified electrician.  
125 V~ 3-Prong Plug and Outlet  
(for up to 125 V~ and up to 15 A)  
3. Improper connection of the equipment-grounding  
conductor can result in a risk of electric shock.  
The conductor with insulation having an outer  
surface that is green with or without yellow  
stripes is the equipment-grounding conductor.  
If repair or replacement of the electric cord or  
plug is necessary, do not connect the equipment-  
grounding conductor to a live terminal.  
7. This compressor is intended for use on a  
circuit that has an outlet that looks like the  
one illustrated above in 125 V~ 3-Prong Plug  
and Outlet. The compressor has a grounding  
plug that looks like the plug illustrated above  
in 125 V~ 3-Prong Plug and Outlet.  
8. The outlet must be properly installed and grounded  
in accordance with all codes and ordinances.  
4. Check with a qualified electrician or service  
personnel if the grounding instructions are  
not completely understood, or if in doubt as to  
whether the compressor is properly grounded.  
9. Do not use an adapter to connect this  
compressor to a different outlet.  
5. Use only 3-wire extension cords that have  
3-prong grounding plugs and 3-pole receptacles  
that accept the compressor’s plug.  
Symbology  
Pounds per square inch of pressure  
Double Insulated  
PSI  
Cubic Feet per Minute flow  
Canadian Standards Association  
Underwriters Laboratories, Inc.  
CFM  
Cubic Feet per Minute flow  
at standard conditions  
SCFM  
National pipe thread, tapered  
Volts Alternating Current  
NPT  
V~  
National pipe thread, straight  
Amperes  
NPS  
A
Item 69666  
69669  
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Page 5  
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Specifications  
Model  
69669  
69666  
Electrical Rating  
Air Outlet Size  
120V~ / 60Hz / 13.5A  
1
/ ″ -18 NPT  
4
Shut-off  
Restart  
150 PSI  
125 PSI  
Air Pressure  
226892  
Air Tank Capacity  
Air Flow Capacity  
Sound Level  
26 Gallons  
17 Gallons  
4 SCFM @ 90 PSI  
5 SCFM @ 40 PSI  
91 dB @ 3′  
Instructions for putting into use  
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this  
manual including all text under subheadings therein before set up or use of this product.  
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:  
Turn the Power Switch “OFF” and unplug the Air Compressor from its electrical  
outlet before assembling or making any adjustments to the compressor.  
Note: For additional information regarding the parts listed in the following pages,  
refer to the Assembly Diagram near the end of this manual.  
Functions  
Handle  
Power Switch  
Output Air  
Pressure  
Gauge  
Tank Air  
Pressure  
Gauge  
Tank  
Regulator  
Knob  
Air  
Output  
Safety Valve  
Wheel  
Page 6  
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Item 69666  
69669  
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Setup  
1. Break in the new Air Compressor as follows:  
2. Connect a regulator valve, an inline shut off valve  
and a 1/4″ NPT air hose to the Quick Coupler  
(all sold separately). The air hose must be long  
enough to reach the work area with enough extra  
length to allow free movement while working.  
a. Turn the Power Switch off and unplug the unit.  
Insert a male coupler (sold separately)  
into the female Quick Coupler and  
fully open all regulators and valves.  
b. Plug in the Power Cord.  
Note: An in-line shutoff ball valve is an important  
safety device because it controls the air supply even  
if the air hose is ruptured. The shutoff valve should  
be a ball valve because it can be closed quickly.  
c. Turn the Power Switch ON.  
d. Let the unit run for 30 minutes.  
Air will expel freely through the Coupler.  
3. Depending on the tool which you will be  
using with this compressor, you may need to  
incorporate additional components, such as an  
in-line oiler, a filter, or a dryer (all sold separately),  
as shown on Figure B on page 8 and  
e. Turn the Power Switch OFF.  
f. Unplug the Power Cord and  
remove the male coupler.  
Figure C on page 9. Consult your air  
tool’s manual for needed accessories.  
Item 69666  
69669  
For technical questions, please call 1-800-444-3353.  
Page 7  
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Page 8  
For technical questions, please call 1-800-444-3353.  
Item 69666  
69669  
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Item 69666  
69669  
For technical questions, please call 1-800-444-3353.  
Page 9  
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Operating Instructions  
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this  
manual including all text under subheadings therein before set up or use of this product.  
Compressor Area Set Up  
1. Designate a work area that is clean and well-lit.  
The work area must not allow access by  
children or pets to prevent injury.  
3. Route the power cord from the compressor  
to the grounded wall outlet, along a safe path  
without creating a tripping hazard or exposing  
the power cord to possible damage.  
2. Locate the Compressor on a flat level surface to  
ensure proper pump lubrication and to prevent  
damage to the unit. Keep at least 12″ of space  
around the unit to allow air circulation.  
General Operation  
1. Close the Drain Valve.  
6. Adjust the Regulator Knob so that the air output is  
enough to properly power the tool, but the output  
will not exceed the tool’s maximum air pressure  
at any time. Turn the knob clockwise to increase  
the pressure and counter-clockwise to decrease  
pressure. Adjust the pressure gradually, while  
checking the air output gauge to set the pressure.  
2. Close the in-line Shutoff Valve between  
the compressor and the air hose.  
3. Plug the Air Compressor Power Cord into  
a grounded 120 V~ electrical outlet.  
4. Turn the Power Switch ON.  
7. Make sure the air tool’s throttle or switch is in the  
off position. Connect the air tool to the air hose.  
5. Allow the Air Compressor to build  
up pressure until it cycles off.  
8. Open the in-line Shutoff Valve.  
Note: At the beginning of the day’s first use of the  
Air Compressor, check for air leaks by applying soapy  
water to connections while the Air Compressor is  
pumping and after pressure cut-out. Look for air bubbles.  
If air bubbles are present at connections, tighten  
connections. Do not use the Air Compressor  
unless all connections are air tight, the extra air  
leaking out will cause the compressor to operate  
too often, increasing wear on the compressor.  
9. Use the air tool as needed.  
10. After the job is complete, turn the Power Switch OFF.  
11. Unplug the Air Compressor.  
12. Close the in-line Shutoff Valve.  
13. Bleed air from the tool then disconnect the tool.  
14. Turn the Drain Valve, at the bottom of the Tank,  
two turns to release any built-up moisture and the  
internal tank pressure. Close the valve after moisture  
has drained out. Do not remove the Drain Valve.  
Note: As long as the Power Switch is ON, the operation  
of the Air Compressor is automatic, controlled by an  
internal pressure switch. The Compressor will turn on  
automatically when the air pressure drops to 125 PSI,  
and will turn off automatically when the  
air pressure reaches 150 PSI.  
15. Clean, then store the Air Compressor indoors.  
WARNING! TO PREVENT SERIOUS  
INJURY AND DEATH FROM EXPLOSION:  
Do not adjust the internal  
pressure switch. Any change to the  
automatic pressure levels may cause  
excess pressure to accumulate,  
causing a hazardous situation.  
Emergency Depressurization  
If it is necessary to quickly depressurize the Compressor, turn the Power Switch OFF.  
Then, pull on the ring on the Safety Valve to quickly release stored air pressure.  
Page 10  
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69669  
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Automatic Shut off System  
1. If the Compressor automatically shuts off  
before reaching its normal cutoff pressure:  
2. Possible causes of repeated automatic  
shut off of the compressor are:  
a. Shut off all tools.  
a. Using an extension cord that is too long or narrow;  
b. Wait until the Compressor cools down  
(about 10 minutes);  
b. An air leak or open hose causing the compressor  
to cycle too often and build up heat.  
c. If the unit does not start up again on its own,  
move the Power Switch to OFF position,  
then back to ON;  
3. Correct any issues before further use to  
avoid damage to the compressor.  
d. Resume operation.  
Maintenance and Servicing  
Procedures not specifically explained in this manual must  
be performed only by a qualified technician.  
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:  
Turn the Power Switch “OFF” and unplug the Compressor from its electrical outlet  
before performing any inspection, maintenance, or cleaning procedures.  
TO PREVENT SERIOUS INJURY FROM COMPRESSOR FAILURE:  
Do not use damaged equipment. If abnormal noise or vibration occurs,  
have the problem corrected before further use.  
Cleaning, Maintenance, and Lubrication  
1. BEFORE EACH USE, inspect the general  
2. AFTER USE, wipe external surfaces  
condition of the air compressor. Check for:  
of the compressor with a damp cloth.  
Check for air leaks by applying soapy  
water to joints while the Air Compressor is  
pressurized and looking for air bubbles.  
loose hardware,  
misalignment or binding of moving parts,  
cracked or broken parts,  
3.  
WARNING! If the supply cord of this  
compressor is damaged, it must be replaced  
only by a qualified service technician.  
damaged electrical wiring, and  
any other condition that may  
affect its safe operation.  
Maintenance Schedule  
Following are general guidelines for maintenance checks of the Air Compressor.  
Note: The environment in which the compressor is used, and the frequency of use can affect how often  
you will need to check the Air Compressor components and perform maintenance procedures.  
Daily:  
a. Make sure all nuts and bolts are tight.  
Weekly:  
Inspect Air Filter.  
b. Drain moisture from air tank.  
Monthly:  
c. Check for abnormal noise or vibration.  
d. Check for air leaks.  
Inspect Safety Valve.  
e. Wipe off any oil or dirt from the compressor.  
Item 69666  
69669  
For technical questions, please call 1-800-444-3353.  
Page 11  
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Draining Moisture from the Tank  
The Drain Valve is located under the Tank. It must be used daily to release all trapped air and  
moisture from the Tank. This will eliminate condensation which can cause tank corrosion.  
CAUTION! Do not open the Drain Valve so that more than four threads are showing.  
1. Turn the Power switch of the compressor off.  
2. Place a collection pan under the Drain Valve.  
3. Unthread the Drain Valve two or three turns ONLY.  
4. When all the pressure and moisture is released,  
close the Drain Valve.  
Air Filter Maintenance  
Check the Air Filter weekly to see if it needs replacement.  
If working in dirty environments, you may need to replace the filter more often.  
1. Remove the Cover.  
2. Remove the Air Filter.  
3. Replace with a new Air Filter.  
4. Replace the Cover.  
Troubleshooting  
Problem  
Possible Causes  
Likely Solutions  
Compressor does  
not start or restart  
1. Tank(s) already pressurized.  
2. Power cord not plugged in properly.  
3. Incorrect power supply.  
1. No problem. Compressor will start when needed.  
2. Check that cord is plugged in securely.  
3. Check that circuit matches compressor requirements.  
4. No power at outlet.  
4. Reset circuit breaker, or have outlet  
serviced by a qualified technician.  
5. Thermal overload switch tripped.  
5. Turn off Compressor and wait for it to cool down.  
Resume operation.  
6. Building power supply circuit tripped or  
blown fuse.  
6. Reset circuit or replace fuse. Check for low voltage  
conditions. It may be necessary to disconnect  
other electrical appliances from the circuit or  
move the compressor to its own circuit.  
7. Cord wire size is too small or cord is too 7. Use larger diameter or shorter extension cord or  
long to properly power compressor.  
eliminate extension cord. See Recommended Wire  
Gauge for Extension Cords in Safety section.  
8. Compressor needs service.  
8. Have unit inspected by a qualified technician.  
Compressor builds  
pressure too slowly  
1. Incorrect power supply.  
1. Check that circuit matches compressor requirements.  
2. Move compressor to a warmer location.  
2. Working environment too cold.  
3. Listen for air leaking from valve.  
3. Safety valve leaking.  
If leaking, replace with identical valve with same rating.  
DO NOT SEAL OR TAMPER WITH SAFETY VALVE.  
4. Reduce air pressure, then check all fittings with  
a soap solution for air leaks and tighten as needed.  
Do not overtighten.  
4. Loose fittings.  
Compressor not  
building enough  
air pressure  
1. Air filters need cleaning/replacing.  
1. Check inlet and outlet filters.  
Clean and/or replace as needed.  
2. Check Valve needs service.  
2. Have technician clean or replace, as needed.  
3. Compressor not large enough for job.  
3. Check if accessory CFM is met by Compressor.  
If Compressor cannot supply enough air flow (CFM),  
you need a larger Compressor.  
4. Loose fittings.  
4. Reduce air pressure, then check all fittings with  
a soap solution for air leaks and tighten as needed.  
Do not overtighten.  
5. Hose or hose connections too narrow.  
6. High altitude reducing air output.  
5. Replace with wider hose and/or hose connections.  
6. Higher altitudes require compressors with greater output.  
Follow all safety precautions whenever diagnosing or servicing the compressor.  
Disconnect power supply before service.  
Page 12  
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69669  
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Troubleshooting (cont.)  
Problem  
Possible Causes  
Likely Solutions  
Overheating  
1. Air filters need cleaning/replacing.  
1. Check inlet and outlet filters.  
Clean and/or replace as needed.  
2. Unusually dusty environment.  
2. Clean and/or replace filters more often or  
move unit to cleaner environment.  
3. Extension cord used.  
3. Eliminate extension cord.  
4. Unit not on level surface.  
4. Reposition unit on a level surface.  
Compressor  
starts and stops  
excessively  
1. Loose fittings.  
1. Reduce air pressure, then check all fittings with a soap  
solution for air leaks and tighten as needed.  
Do not overtighten.  
2. Compressor not large enough for job.  
2. Check if accessory CFM is met by Compressor.  
If Compressor doesn’t reach accessory  
CFM, you need a larger Compressor.  
Excessive noise  
1. Loose or damaged belt guard.  
2. Loose fittings.  
1. Replace belt guard.  
2. Reduce air pressure, then check all fittings with a soap  
solution for air leaks and tighten as needed.  
Do not overtighten.  
3. Unit not on level surface.  
Too much moisture in air.  
3. Reposition unit on a level surface.  
Moisture in  
discharge air  
Install inline air filter/dryer, and/or relocate  
to less humid environment.  
Safety Valve “pops” Safety valve needs service.  
Pull on test ring of safety valve. If it still pops, replace.  
Air leaks from  
pump or fittings  
Loose fittings.  
Reduce air pressure, then check all fittings with a soap  
solution for air leaks and tighten as needed.  
Do not overtighten.  
Air leaks from tank  
Defective or rusted tank.  
Have tank replaced by a qualified technician.  
Drain moisture from tank daily to prevent future corrosion.  
Follow all safety precautions whenever diagnosing or servicing the compressor.  
Disconnect power supply before service.  
PLEASE READ THE FOLLOWING CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM  
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR  
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  
STATES THAT 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 OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.  
Item 69666  
69669  
For technical questions, please call 1-800-444-3353.  
Page 13  
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Parts List and Diagram  
Parts List  
Part  
Description  
Qty  
4
5
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
2
2
4
8
8
4
1
4
4
4
1
1
1
1
1
1
1
1
1
4
1
Part  
Description  
Qty  
1
1
1
1
1
2
4
12  
6
8
1
1
1
4
1
2
4
1
2
1
1
1
1
1
1
1
1
2
1
2
1
1
1
2
1
2
2
2
2
1
1
1
4
4
4
1
1
1
2
3
4
5
6
7
8
9
Bolt M6x35  
49 Washer Ø4  
50 Bolt M5x6  
Spring Washer M6  
Cylinder Head  
Exhaust Elbow  
Valve Plate  
Inlet Valve Reed  
Outlet Valve Reed  
Limiter  
51 Ground Symbol  
52 Overload Protector  
53 Strain Relief  
54 Grommet  
55 Bolt M8x25  
56 Washer M8  
57 Spring Washer M8  
58 Nut M8  
59 Front Shroud  
60 Rear Shroud  
61 Shroud Cover  
62 Bolt M5x15  
63 Screw ST4.0x25  
64 Screw ST4.2x30  
65 Screw ST3.8x12  
66 Pressure Switch  
67 Strain Relief  
68 Connector 1/4″ NPT x 30  
69 Pressure Gauge (270 PSI 1/4″ NPT)  
70 Pressure Gauge (270 PSI 1/8″ NPT)  
71 Regulator  
72 Quick Coupler  
73 Safety Valve  
74 Connector 1/4″ NPT x 48  
75 Check Valve  
76 Brass Washer  
77 Pressure Tube  
78 Compression Nut Ø3/8″  
79 Relief Tube  
80 Relief Nut  
81 Power Cord  
82 Cable Connector U  
83 Cable Connector O  
84 Axle  
85 Wheel 8"  
86 Rubber Foot  
87 Bolt M8x20  
88 Drain Valve  
89 Tank  
90 Handle  
91 Bolt M6x20  
92 Rivet Nut M6  
93 Washer M6  
Inlet Valve Reed Cover  
10 Bolt M4x8  
11 Spring Washer M4  
12 Valve Plate Upper O-Ring  
13 Valve Plate Lower O-Ring  
14 Cylinder  
15 Bolt M6x16  
16 Connecting Rod Cover  
17 Piston Ring  
18 Connecting Rod  
19 Nut M5  
20 Spring Washer M5  
21 Screw M5x25  
22 Bearing 6203  
23 Crank  
24 Bolt M6x40  
25 Fan  
26 Bolt M6x16  
27 Washer M6  
28 Inner Teeth Washer M8  
29 Nut M8  
30 Bolt M5x195  
31 Washer M5  
32 Spring Washer M5  
33 Nut M5  
34 Run Capacitor  
35 Bolt M3x6  
36 Spring Washer M3  
37 Washer M3  
38 Start Capacitor  
39 Crankcase  
40 Motor Cover  
41 Rotor  
42 Stator  
43 Washer 203  
44 Rear Seat  
45 Centrifugal Switch  
46 Capacitor Bracket  
47 Bolt M5x12  
94 Air Filter  
95 Handle Grip  
48 Bolt M4x6  
Record Product’s Serial Number Here:  
Note: If product has no serial number, record month and year of purchase instead.  
Note: Some parts are listed and shown for illustration purposes only,  
and are not available individually as replacement parts.  
Page 14  
For technical questions, please call 1-800-444-3353.  
Item 69666  
69669  
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Assembly Diagram  
1
2
94  
3
12  
8
4
10  
11  
31 30  
6
34 28 29 46  
47  
32  
35  
36  
37  
5
7
9
10  
47  
38  
13  
42  
32  
45  
15  
14  
16  
22  
43  
48  
44  
49  
31  
17  
51  
39  
40  
18  
52  
33  
23  
54  
70  
25 19  
32  
2
53  
41  
50  
22  
27  
22  
69  
55  
56  
57  
58  
24  
20  
21  
26  
66  
61  
72  
71  
60  
68  
73  
59  
67  
65  
63  
64  
74  
75  
90  
95  
62  
93  
76  
91  
78  
92  
77  
89  
79  
80  
83  
82  
58  
56  
81  
86  
56  
87  
88  
57 58  
84  
85  
Item 69666  
69669  
For technical questions, please call 1-800-444-3353.  
Page 15  
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Limited 90 Day 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 90 days 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, criminal activity, improper  
installation, normal wear and tear, 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. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER  
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.  
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  
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