Porter-Cable Air Compressor instruction manual Instructed in the Operation section

PROBLEM	CAUSE	CORRECTION
Pressure	It is normal for "some"	If there is an excessive amount of
reading on	pressure drop to occur.	pressure drop when the accessory
the regulated		is used, adjust the regulator as
pressure gauge		instructed in the Operation section.
(if equipped)		NOTE: Adjust the regulated
drops when		pressure under flow conditions
an accessory		(while accessory is being used).
is used
Air leak from	Possible defect in	Operate safety valve manually
safety valve	safety valve.	by pulling on ring. If valve still
		leaks, it should be replaced.
Compressor is	Prolonged excessive	Decrease amount of air usage.
not supplying	use of air.
enough air	Compressor is not	Check the accessory air requirement. If
to operate	large enough for	it is higher than the SCFM or pressure
accessories	air requirement.	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.
	Loose belt.	Loosen wingnut and then
		tighten wingnut until it contacts
		the washer, plus one turn.
Restricted	Dirty air filter.	Clean or replace. See Air Filter
air intake		paragraph in the Maintenance section.
Regulator	Damaged regulator.	Replace.
knob has
continuous
air leak.
Regulator will	Damaged regulator.	Replace.
not shut off
air outlet.

25-­ ENG