Craftsman 919.72755 owner manual Problem Cause Correction

PROBLEM	CAUSE	CORRECTION
Knocking Noise.	Defective check valve.	Remove and clean, or replace.
Compressor is not supplying	Prolonged excessive use of air.	Decrease amount of air usage.
enough air to operate accessories.
	Compressor is not large enough	Check the accessory air require-
	for air requirement.	ment. If it is higher than the
		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.
Motor will not run.	Fuse blown, circuit breaker	Check fuse box for blown fuse
	tripped.	and replace as necessary.
		Reset circuit breaker. Do not use a
		fuse or circuit breaker with higher
		rating than that specified for your
		particular branch circuit.
		Check for proper fuse. You should
		use a time delay fuse.
		Check for low voltage problem.
		Check the extension cord.
		Disconnect the other electrical
		appliances from circuit or
		operate the compressor on its
		own branch circuit.
	Extension cord is wrong length or	Check the extension cord.
	gauge.
	Loose electrical connections.	Check wiring connection inside
		terminal box.
	Faulty motor.	Have checked by a Trained
		Service Technician.
Regulator knob has continuous air	Damaged regulator	Replace
leak.
Regulator will not shut off air out-	Damaged regulator	Replace
let.

15 - ENG D23122