Porter-Cable PXCM301 Instruction Manual page 19

PRobleM
oil in discharge air
overheating
excessive belt wear
compressor
won't start in cold
temperatures
PossIble cause
Worn piston rings or
cylinder
Restricted air intake
Oil level too high
Poor ventilation
Dirty cooling surfaces
Restricted air passages
Pulley out of alignment
Improper belt tension
Pulley wobbles
Too much back pressure
in tank
40W oil in crankcase
Compressor too cold
19 - ENG
solutIon
Contact authorized
service center.
Clean or replace the air
filter element(s).
Reduce to proper level.
Relocate compressor to
an area with cool, dry,
well circulated air, at
least 12 in. from nearest
wall.
Clean all cooling
surfaces thoroughly.
Replace transfer tubes
and/or unloader.
Realign pulley with
compressor flywheel.
Readjust.
Replace the pulley and
check for a damaged
crankshaft or flywheel.
Open petcock when
starting motor.
Use synthetic blend,
nondetergent
air compressor oil.
Move compressor to a
warmer location.