Porter-Cable CPLC7060V instruction manual 22-ENG

PROBLEM	CAUSE	CORRECTION
Excessive belt wear.	Loose belt/tight belt.	Adjust belt tension. (See Belt
	Loose pulley.	Replacement.)
		Check for worn keyway or pulley
		bore. Also check for bent motor
		shaft. Replace parts if necessary.
		(Refer to the Unit Parts Manual.)
Air compressor is not	Prolonged excessive use of air.	Decrease amount of air usage.
supplying enough air	Air compressor is not large	Check the accessory air
to operate
	enough for air requirement.	requirement. If it is higher than the
accessories.
		CFM or pressure supplied by your
		air compressor, you need a larger
		air compressor.
	Restricted air intake filter.	Clean or replace air intake filter. Do
		not operate the air compressor in
		the paint spray area.
	Loose belt.	Adjust belt tension.
	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".)
Knocking noise.	Malfunctioning check valve.	Remove and clean or replace.
	Loose pulley.	Tighten pulley set screw. See Unit
		Parts Manual for correct torque
		specifications.
	Low oil level.	Maintain prescribed oil level.
	Loose flywheel.	Tighten screw. See Unit Parts
		Manual for correct torque
		specifications.
	Loosen air compressor	Check screws. Tighten as required.
	mounting screws.
	Belt too tight/too loose.	Adjust belt tension. (See Belt
		Replacement.)
	Carbon build-up.	Remove the head and valve plate.
		Clean the valve plate and the top of
		the piston. (Be sure carbon does
		not fall into the cylinder.)
		Reassemble using new gaskets and
		see Unit Parts Manual for correct
		torque specifications.
Excessive oil	Restricted air intake.	Replace the air intake.
consumption.
	Air compressor overworked.	Reduce air consumption or add
		another air compressor to take up
		some of the load.
	Poor quality oil.	Drain pump and replace with
		correct oil. Refer to Lubrication and
		Oil Section.

22-ENG