PROBLEM
Oil in discharge air
Overheating
Excessive belt
wear
Compressor
won't start in cold
temperatures
TROUBLESHOOTING
POSSIBLE CAUSE SOLUTION
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
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 outlet tube, and/or
pressure relief tube, and/or
pressure.
Realign pulley with compressor
flywheel.
Readjust.
Replace the pulley and check
for a damaged crankshaft or
flywheel.
Open drain valve when starting
motor.
Use semi-synthetic, non-
detergent air compressor oil.
Move compressor to a warmer
location.