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TROUBLESHOOTING CHART (Continued)
PAGE 24
CAUSE
Restricted air intake.
Improper level and/or grade of oil
used.
Damaged valves (intake and/or
exhaust).
Loose belt.
Pulley misalignment.
Loose pulley.
Compressor valves leaking,
sticking or carboned up.
Worn rings.
Head gasket leaking.
Restricted air intake.
Loose drive belt.
Unit not reaching proper operat-
ing temperature because the
compressor runs frequently and
is oversized for the air require-
ment.
Humid operating conditions.
Condensation in the air receiver.
CORRECTION
Remove and clean or replace air
filter.
Check for proper oil levels and
recommended oil usage.
Repair or replace as necessary.
Adjust belt tension.
Align pulley to within 1/16 inch of
the flywheel.
Check for worn key or pulley
bore. Also check for bent engine
shaft. Replace or repair as
necessary.
Tighten pulley set screw or bolt.
Replace.
Replace.
Tighten or replace gasket.
Clean or replace.
Tighten but don't overtighten.
Consult with factory or dealer.
Relocate compressor outfit.
Change oil frequently. Avoid
cylinder rusting and ring wear.
This is a normal result of com-
pressing air and not due to faulty
equipment. This condition can be
corrected by draining the air
receiver daily.
PROBLEM
Compressor Overheating (Cont)
Excessive Belt Wear
Reduced Air Delivery
Water in Crankcase; oil appears
milky in color.
Excessive Water in Air Receiver
Tank.