Porter Cable CPLDC2541S Manual De Instrucciones página 23

PROBLEM
Knocking Noise. Possible defect in safety
valve.
Defective check valve.
Compressor mounting
screws loose
Squealing
Compressor pump has no
sound.
oil.
CAUSE
Carbon build-up in pump
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Remove and clean, or replace.
Tighten mounting screws,see
Parts manual for torque
specifications.
Have checked by a Trained
Service Technician.
See Oil-Checking paragraph in
the Maintenance section.
23- ENG
CORRECTION
D24064