Troubleshooting guide

TROUBLESHOOTING CHART (Continued)
CAUSE
Restrictedair intake.
PROBLEM
CompressorOverheating(Cent)
Improperlevel and/orgrade of oil
used.
Excessive BeltWear
Reduced Air Delivery
Water inCrankcase; oil appears
milky in color.
Excessive Water in AirReceiver
Tank.
Damagedvalves(intakeand/or
exhaust).
Loosebelt.
Pulleymisalignment.
Loosepulley.
Compressor valvesleaking,
stickingorcarboned up.
Worn rings.
Head gasket leaking.
Restrictedair intake.
Loose drivebelt.
Unit notreachingproperoperat-
ingtemperature becausethe
compressorrunsfrequently and
isoversizedfor the air require-
ment.
Humid operating conditions.
Condensation inthe air receiver.
CORRECTION
Remove and clean orreplaceair
filter.
Check for proper oillevelsand
recommendedoilusage.
Repairor replace as necessary.
Adjust belt tension.
Align pulley to within 1/16 inch of
theflywheel.
Check forwornkey or pulley
bore. Also check for bent engine
shaft. Replace or repairas
necessary.
Tighten pulley set screworbolt.
Replace.
Replace.
Tightenor replacegasket.
Clean orreplace.
Tightenbutdon'tovertighten.
Consult withfactory or dealer.
Relocatecompressoroutfit.
Change oilfrequently. Avoid
cylinderrustingand ringwear.
This is a normal resultof com-
pressing air and notdue to faulty
equipment.This conditioncanbe
correctedby drainingthe air
receiverdaily.
PAGE 24