PROBLEM

CAUSE

CORRECTION

Knocking Noise.

Possible defect in safe-

Operate safety valve manually by

 

ty valve.

pulling on ring. If valve still leaks,

 

 

it should be replaced.

 

Defective check valve.

Remove and clean, or replace.

 

Loose pulley

Tighten pulley set screw,

 

 

70-80 in.-lbs.

 

Loose flywheel

Tighten flywheel screw,

 

 

15-20 ft.-lbs.

 

Compressor mounting

Tighten mounting screws,

 

screws loose

15-20 ft.-lbs.

 

Loose belt

Loosen wingnut and then tighten

 

wingnut until it contacts the wash-

 

 

 

 

er, plus one turn.

 

Carbon build-up in

Have checked by a Trained

 

pump

Service Technician.

 

Belt to tight

Loosen wingnut and then tighten

 

 

wingnut until it contacts the wash-

 

 

er, plus one turn.

 

 

 

Compressor is not

Prolonged excessive use

Decrease amount of air usage.

supplying enough

of air.

 

air to operate

Compressor is not large

Check the accessory air require-

accessories.

 

enough for air require-

ment. If it is higher than the

 

ment.

SCFM or pressure supplied by

 

 

your air compressor, you need a

 

 

larger compressor.

 

Hole in hose.

Check and replace if required.

 

Check valve restricted.

Remove and clean, or replace.

 

Air leaks.

Tighten fittings.

 

Restricted air intake filter

Clean or replace air intake filter.

 

 

Do not operate the air compressor

 

 

with the filter removed. Refer to

 

 

the “Air Filter” paragraph in the

 

 

“Maintenance “ section

 

Loose belt.

Loosen wingnut and then tighten

 

 

wingnut until it contacts the wash-

 

 

er, plus one turn.

 

 

 

D23269

20 - ENG

Page 20
Image 20
Porter-Cable CPLC7060V instruction manual With the filter removed. Refer to