Use and Care Manual

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,
non-detergent air
compressor oil.
Compressor too cold Move compressor to a
warmer location.
TROUBLESHOOTING