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23-ENG
D26998
PROBLEM
CAUSE
CORRECTION
Compressor is
not supplying
enough air to
operate acces-
sories.
Prolonged excessive use of
air.
Compressor is not large
enough for air requirement.
Hole in hose.
Unloader valve restricted.
Air leaks.
Restricted air intake filter
Decrease amount of air usage.
Check the accessory air
requirement. If it is higher than
the SCFM or pressure supplied
by your air compressor, you
need a larger compressor.
Check and replace if required.
Remove and clean, or replace.
Tighten fittings.
Clean or replace air intake fil-
ter. Do not operate the air
compressor with the filter
removed. Refer to the “Air
Filter” paragraph in the
“Maintenance “ section.
Clean or replace. See Air Filter
paragraph in the Maintenance
section.
Dirty air filter.
Restricted air
intake.
Check belt tension, see
Adjusting Belt Tension in the
Maintenance section.
Loose belt.
Excessive
vibration.
Excessive
vibration
could weaken the air tank
and cause it to rupture or
explode. Stiffener bar nuts
and mounting screws must
be kept tightened. Never
operate the unit unless
equipped with the stiffener
bar and rubber feet.
Engine or pump mounting
screws are loose.
Stiffener bracket screw is
loose.