Craftsman 919.16732 owner manual Troubleshooting

TROUBLESHOOTING

Risk of Unsafer Operation. Performing repairs may expose voltage sources, moving parts, or compressed

air sources. Personal injury may occur. Before servicing: Unplug or disconnect electrical supply to the air compressor, bleed tank of pressure, and allow the air compressor to cool.

PROBLEM	CAUSE	CORRECTION
Excessive tank	Pressure switch does not	Move On/Auto/Off lever to
pressure - safety	shut off motor when	the "Off" position, if the unit
valve pops off.	compressor reaches	does not shut off contact a
	"cut-out" pressure.	Trained Service Technician.
		Contact a Trained Service
	Pressure switch "cut-out"	Technician.
	too high.
Air leaks at	Tube fittings are not tight	Tighten fittings where air
fittings.	enough.	can be heard escaping.
		Check fittings with soapy
		water solution. Do Not
		Overtighten.
Air leaks at or	Check valve seat damaged.	A defective check valve
inside check		results in a constant air leak
valve.		at the pressure release valve
		when there is pressure in the
		tank and the compressor
		is shut off. Replace check
		valve. Refer to the "To
		Replace or Clean Check
		Valve" in the "Service and
		Adjustment" section.
Air leaks at	Defective pressure switch	Contact a Trained Service
pressure switch	release valve.	Technician.
release valve.
Air leaks in air	Defective air tank.	Air tank must be replaced.
tank or at air		Do not repair the leak.
tank welds.		Risk of
		Bursting.
		Do not drill into, weld or
		otherwise modify air tank
		or it will weaken. The tank
		can rupture or explode.
Air leaks	Leaking seal.	Contact a Trained Service
between head		Technician.
and valve plate.

A10819 20- ENG