Craftsman 919.72413 owner manual Troubleshooting

TROUBLESHOOTING

Performing repairs may expose voltage sources, moving parts or compressed air sources. Personal injury may

occur. Prior to attempting any repairs, unplug the air compressor and bleed off all air tank air pressure.

PROBLEM	CAUSE		CORRECTION
Excessive tank	Pressure switch does		Move On/Auto/Off lever to
pressure - safety	not shut off motor when		the "Off" position, if the
valve pops off.	compressor reaches "cut-		outfit does not shut off
	out" pressure.		contact a Trained Service
			Technician.
	Pressure switch "cut-out"		Contact a Trained Service
	too high.		Technician.
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 in air	Defective air tank.		Air tank must be replaced.
tank or at air			Do not repair the leak.
tank welds.				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.
Air leak from	Possible defect in safety		Operate safety valve
safety valve.	valve.		manually by pulling on ring.
			If valve still leaks, it should
			be replaced.
Knocking Noise.	Possible defect in safety	Operate safety valve
	valve.	manually by pulling on ring.
		If valve still leaks, it should
		be replaced.

19- ENG A08394