PROBLEM

CAUSE

CORRECTION

 

 

 

Air leak from safety

Possible defect in safety valve.

Operate safety valve manually by

valve.

 

pulling on ring. If valve still leaks, it

 

 

should be replaced.

 

 

 

Knocking Noise.

Defective check valve.

Remove and clean, or replace.

 

 

 

Compressor is not

Prolonged excessive use of air.

Decrease amount of air usage.

supplying enough air

Compressor is not large

Check the accessory air

to operate

enough for air requirement.

requirement. If it is higher than the

accessories.

 

SCFM or pressure supplied by your

 

 

air compressor, you need a larger

 

 

compressor.

 

Restricted air intake filter.

Clean or replace air intake filter. Do

 

 

not operate the air compressor with

 

 

the filter removed. See page 11.

 

Hole in hose.

Check and replace if required.

 

Check valve restricted.

Remove and clean, or replace.

 

Air leaks.

Tighten fittings. (See Air Leaks

 

 

Section of Troubleshooting Guide.)

 

 

 

Regulator knob has

Pressure release valve on

Replace regulator.

continuous air leak.

pressure switch has not

 

Regulator will not

unloaded head pressure.

 

shut off air outlet.

Damaged regulator.

 

 

 

 

15-ENG

Page 15
Image 15
Porter-Cable CPF23400P instruction manual 15-ENG