20- ENG
PROBLEM
POSSIBLE CAUSE
SOLUTION
Oil in discharge air
Worn piston rings or
cylinder
Contact authorized
service center.
Restricted air intake
Clean or replace the air
filter element(s).
Oil level too high
Reduce to proper level.
Overheating
Poor ventilation
Relocate compressor to
an area with cool, dry,
well circulated air, at
least 12 in. from nearest
wall.
Dirty cooling surfaces
Clean all cooling
surfaces thoroughly.
Restricted air passages
Replace transfer tubes
and/or unloader.
Excessive belt wear
Pulley out of alignment
Realign pulley with
compressor flywheel.
Improper belt tension
Readjust.
Pulley wobbles
Replace the pulley and
check for a damaged
crankshaft or flywheel.
Compressor
won’t start in cold
temperatures
Too much back pressure
in tank
Open petcock when
starting motor.
40W oil in crankcase
Use synthetic blend,
nondetergent
air compressor oil.
Compressor too cold
Move compressor to a
warmer location.
TROUBLESHOOTING
Summary of Contents for PXCMLC3706056
Page 13: ...13 ENG OPEN CLOSE F E Fig 6 ...