Porter-Cable C2555 User Manual

Page 24

PROBLEM

CAUSE

CORRECTION

Knocking Noise. Possible defect in safety

valve.

Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.

Compressor mounting
screws loose

Tighten mounting screws,see
Parts manual for torque
specifications.

Carbon build-up in pump

Have checked by a Trained
Service Technician.

Squealing
sound.

Compressor pump has no
oil.

See Oil-Checking paragraph in
the Maintenance section.

Defective check valve.

Contact a Trained Service
Technician.

24- ENG

D29795