Craftsman 919.16778 manual Eng D22130

PROBLEM	CAUSE	CORRECTION
Knocking Noise.		Operate safety valve manually by
	Possible defect in safety valve.
		pulling on ring. If valve still leaks,
		it should be replaced.
		Remove and clean, or replace.
	Defective check valve.
Compressor is not supplying		Decrease amount of air usage.
	Prolonged excessive use of air.
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.
	Restricted air intake filter	Clean or replace air intake filter.
		Do not operate the air compressor
		with the filter removed. Refer to
		the “Air Filter” paragraph in the
		“Maintenance “ section
Regulator knob has continuous air		Replace
	Damaged regulator
leak.
Regulator will not shut off air out-		Replace
	Damaged regulator
let.

17-Eng D22130