Sears 919.72633 owner manual Troubleshooting Guide

TROUBLESHOOTING GUIDE (Continued)

PROBLEM		CAUSE	CORRECTION
Compressor is not supplying		Compressor is not large enough for	Check the accessory air requirement. If it is higher
enough air to operate acces-		air requirement.	than the SCFM or pressure supplied by your air
sories.			compressor, you need a larger compressor.
		Restricted air intake filter.	Clean or replace air intake filter. Do not operate the
			air compressor in any paint spray or drywall
			sanding area.
		Hole in hose.	Check and replace if required.
		Check valve restricted.	Remove and clean, or replace.
		Air leaks.	Tighten fittings.
Motor will not run or restart.		Present tank pressure exceeds	Motor will start automatically when tank pressure
		pressure switch "cut-in" pressure.	drops below "cut-in" pressure of pressure switch.
		Fuse blown, circuit breaker tripped.	1. Check fuse box for blown fuse and replace, if
				necessary. Reset circuit breaker. Do not use a
				fuse or circuit breaker with higher rating than
				that specified for your particular branch circuit.
			2.	Check for proper fuse; only Time Delay fuses
				are acceptable.
			3. Check for low voltage conditions and/or
				proper extension cord.
			4.	Disconnect the other electrical appliances
				from circuit or operate the compressor on its
				own branch circuit.
			5. Check for loose electrical connections.
		Motor overload protection switch has	Let motor cool off and overload switch will auto-
		tripped.	matically reset.
		Possible defective motor or	Return to Sears Service Center for inspection or
		capactior.	replacement, if necessary.
		Paint spray on internal motor parts.	Have compressor checked at Sears Service
			Center. Do not operate the compressor in the paint
			spray area. See flammable vapor warning.
		Check valve stuck open, putting	Remove and clean, or replace the check valve.
		pressure on head.
		Pressure release valve on pressure	Bleed the line by pushing the lever on the pressure
		switch has not unloaded head	switch to the "O" position; if the valve does not
		pressure.	open, replace it.
		Broken exhaust valve.	Inspect and replace if necessary.
	Regulator knob continuous air	Dirty or damaged regulator internal	Replace regulator.
	leak. Regulator will not shut	parts.
	off at air outlet.

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