TROUBLESHOOTING

 

 

Problem

Possible Solutions

Air Compressor does not start.

Make sure the ON/OFF Knob (86) is in its “ON” (up) position.

 

Make sure the Power Cord/Plug (64) is undamaged and plugged into

 

a working 120 volt, grounded, electrical outlet.

 

Check to see if the Circuit Breaker (31) has “tripped”. If necessary,

 

allow the Compressor to completely cool. Then, reset the Circuit

 

Breaker.

 

Pull the Safety Valve (67) to release air pressure from the Tank (50)

 

to allow for easier starting.

 

Make sure the Air Filter (85) is clean and not blocking air flow.

Air Compressor automatically

Check to see if the Circuit Breaker (31) has “tripped”.

shuts down.

If necessary, allow the Compressor to completely cool. Then, reset

 

 

the Circuit Breaker.

 

Make sure the Compressor is plugged into a dedicated circuit with

 

no other items sharing the electrical outlet.

 

Check to make sure the oil level in the Compressor is at its proper

 

level to prevent overheating.

 

Make sure the Air Filter (85) is clean and not blocking air flow.

Air Compressor does not build

Make sure the Drain Valve (59) is completely closed.

up adequate air pressure in its

Make sure the Safety Valve (67) is completely closed.

Tank.

 

 

Make sure the Air Outlet Valve (69) is completely closed.

 

Make sure the Air Filter (85) is clean and not blocking air flow.

 

Check all air fittings and connections for leaks.

Air Compressor does not pro-

Verify that this compressor is of sufficient capacity to provide ad-

vide required air pressure to the

equate airflow (CFM) to the tool.

pneumatic tool.

Make sure the Air Outlet Valve (69) is completely open.

 

 

Increase air pressure to the pneumatic tool by turning the Pressure

 

Regulator (70) clockwise.

 

Check for obstructions, sharp bends, and leaks in the air hose con-

 

necting the Compressor to the pneumatic tool.

 

Check all air fittings and connections for leaks.

 

Air requirement of the tool exceeds the compressor’s capacity. See

 

CFM output on page 2.

SKU 93351

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

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Harbor Freight Tools 93351 operating instructions Troubleshooting