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For technical questions, please call 1-800-444-3353.

SKU 95275 

        

Troubleshooting

Problem

Possible Causes

Likely Solutions

Compressor 

does not start 

or restart

No power at outlet. 

1. 

Power cord not plugged in 

2. 

properly.
Thermal overload switch 

3. 

tripped.
Building power supply circuit 

4. 

tripped or blown fuse. 

 

Tank is already pressurized.

5. 

Cord wire size is too small or 

6. 

cord is too long to properly 

power compressor.
Compressor needs service.

7. 

Reset circuit breaker, or have outlet serviced by a 

1. 

qualified technician.

Check that cord is plugged in securely. 

2. 

Turn off Tool. Turn off Compressor and wait for it to cool 

3. 

down. Press reset button. Resume operation.
Reset circuit or replace fuse. Check for low voltage 

4. 

conditions. It may be necessary to disconnect other 

electrical appliances from the circuit or move the 

compressor to its own circuit.
No problem.  Compressor will start when needed.

5. 

Use larger diameter or shorter extension cord or 

6. 

eliminate extension cord. See Recommended Wire 

Gauge for Extension Cords in Safety section.

Have unit inspected by a qualified technician.

7. 

Compressor not 

building enough 

air pressure

Compressor not large 

1. 

enough for job. 

Loose fittings.

 

2. 

 

Hose or hose connections 

3. 

not adequate.
High altitude reducing air 

4. 

output.
Check Valve needs 

5. 

service.

Check if accessory SCFM is met by Compressor. If 

1. 

Compressor cannot supply enough air flow (SCFM), 

you need a larger Compressor.

Reduce air pressure, then check all fittings with a soap 

2. 

solution for air leaks and tighten as needed. Do not 

overtighten.
Replace with larger hose and/or hose connections. 

3. 

You may need a larger compressor if you are 

4. 

situated in a high altitude location.
Clean or replace, as needed.

5. 

Overheating

Unusually dusty 

1. 

environment.
Cord is too small of a 

2. 

gauge or too long to handle 

compressor.
Unit not on level surface.

3. 

Move unit to cleaner environment. 

1. 

Increase cord size or use shorter length extension cord, 

2. 

or eliminate extension cord. See Recommended Wire 

Gauge for Extension Cords in Safety section.
Reposition unit on a level surface.

3. 

 Follow all safety precautions whenever diagnosing or servicing the 

compressor.  disconnect power supply before service.

REV 10b

Summary of Contents for 95275

Page 1: ...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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For tec...

Page 2: ... moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury 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...

Page 3: ...n the compressor Keep d 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 ...

Page 4: ...on cord is in a good condition Use an extension cord which is heavy b 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 Ind...

Page 5: ...odify the plug provided if it will 2 not fit the outlet have the proper outlet installed by a qualified electrician Improper connection of the equipment 3 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 p...

Page 6: ...U 95275 Do not use an adapter to connect this 9 compressor to a different outlet Symbology Double Insulated Canadian Standards Association Underwriters Laboratories Inc V Volts Alternating Current A Amperes n0 xxxx min No Load Revolutions per Minute RPM REV 10b ...

Page 7: ...g 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 Switch OFF unplug the Compressor from its electrical outlet and release all air pressure from the air tank before assembling or making any adjustments to the compressor Note For additional information regarding the parts listed in the follo...

Page 8: ...r Tool 2 Connect a regulator valve an inline shut off valve and a 1 4 NPT air hose to the Quick Coupler The air hose must be long enough to reach the work area with enough extra length to allow free movement while working 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 beca...

Page 9: ...less all connections are air tight the extra air leaking out will cause the compressor to operate too often increasing wear on the compressor Note As long as the 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 85 PSI and will turn off automatically when the air pressure ...

Page 10: ...ose causing the b compressor to cycle too often and build up heat Correct any issues before further use to 3 avoid damage to the compressor 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 Switch OFF unplug the Compressor from its electrical outlet and release...

Page 11: ...rom the e compressor Monthly Inspect Safety Valve a To check for air leaks apply soapy water to joints while the Air Compressor is pressurized Look for air bubbles To clean the compressor surface wipe with a damp cloth using a mild detergent or mild solvent Draining Moisture from the Tank The Drain Valve is located under the Tank It must be accessed daily to release all trapped air and moisture fr...

Page 12: ...re Gauge for Extension Cords in Safety section Have unit inspected by a qualified technician 7 Compressor not building enough air pressure Compressor not large 1 enough for job Loose fittings 2 Hose or hose connections 3 not adequate High altitude reducing air 4 output Check Valve needs 5 service Check if accessory SCFM is met by Compressor If 1 Compressor cannot supply enough air flow SCFM you ne...

Page 13: ...ed Do not overtighten Moisture in discharge air Too much moisture in 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 leaking from fittings Loose fittings Reduce air pressure then check all fittings with a soap solution for air leaks and tighten as needed Do not ...

Page 14: ...4 Screw M6x25 4 45 Washer Lock 1 46 Screw M6x15 6 47 Screw ST4 8x15 1 48 Screw M5x25 2 49 Washer D5 2 50 Reset Button 4A Overload Protector 1 51 Nut Overload Protector 1 52 Wire Electric 1 53 Terminal Sheath 2 54 Terminal 2 55 Spring 1 56 Ball 1 57 O ring D14x1 8 1 58 Screw ST4 2x25 4 PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and or distributor has provided the parts list and assembly d...

Page 15: ...U 95275 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 ASSEMBLY DIAGRAM ...

Page 16: ...al 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 pa...

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