Porter-Cable D24225-049-2 instruction manual Problem Cause Correction

PROBLEM	CAUSE	CORRECTION
Knocking Noise.	Possible defect in safety	Operate safety valve manually
	valve.	by 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,
		145-165 in.-lbs.
	Loose flywheel.	Tighten flywheel screw,
		33-37 ft.-lbs.
	Compressor mounting	Tighten mounting screws,
	screws loose.	20-25 ft.-lbs.
	Loose belt.	Check belt tension, see
		Adjusting Belt Tension in the
		Maintenance section.
	Carbon build-up in pump.	Have checked by a Trained
		Service Technician.
	Belt to tight.	Check belt tension, see
		Adjusting Belt Tension in the
		Maintenance section.
Excessive belt	Loose belt.	Check belt tension, see
wear.		Adjusting Belt Tension in the
		Maintenance section.
	Tight belt.	Check belt tension, see
		Adjusting Belt Tension in the
		Maintenance section.
	Loose pulley.	Have checked by a Trained
		Service Technician.
	Pulley misalignment.	See Motor Pulley/Flywheel
		Alignment paragraph in the
		Maintenace section.
Squealing		See Oil-Checking paragraph in
	Compressor pump has no
sound.	oil.	the Maintenace section.
		Check belt tension, see
	Loose belt.
		Adjusting Belt Tension in the
		Maintenance section.

25- ENG D24225