Porter-Cable 1000003754 instruction manual Troubleshooting, Problem Cause Correction

TROUBLESHOOTING

Risk of Unsafe Operation. Unit cycles automatically when power is on. When servicing, you may be exposed to voltage sources, com- pressed air, or moving parts. Before servicing unit 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				Pressure switch does	Move On/Off lever to
- safety valve pops off.				not shut off motor when	the "Off" position, if
				compressor reaches	the outfit does not shut
				"cut-out" pressure.	off contact a Trained
					Service Technician.
				Pressure switch "cut-	Contact a Trained
				out" too high.	Service Technician.
Air leaks at fittings.				Tube fittings are not	Tighten fittings where air
				tight enough.	can be heard escaping.
					Check fittings with
					soapy water solution.
					Do Not Overtighten.
Air leaks in air tank or at				Defective air tank.	Air tank must be
air tank welds.					replaced. Do not repair
					the leak.
						Risk
					bursting. Do not drill
					into, weld or otherwise
					modify air tank or it will
					weaken. The tank can
					rupture or explode.
Air	leaks	between	head	Leaking seal.	Contact a Trained
and valve plate.					Service Technician.
Air	leak	from	safety	Possible defect in	Operate safety valve
valve.				safety valve.	manually by pulling on
					ring. If valve still leaks,
					it should be replaced.
Knocking Noise.				Possible defect in	Operate safety valve
				safety valve.	manually by pulling on
					ring. If valve still leaks,
					it should be replaced.

17 - ENG 1000003754