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23-ENG D26161
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.
Check 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.
Pressure reading
on the regulated
pressure gauge
(if equipped)
drops when an
accessory is
used.
It is normal for “some”
pressure drop to occur.
If there is an excessive amount
of pressure drop when the
accessory is used, adjust the
regulator as instructed in the
Operation section.
NOTE: Adjust the regulated
pressure under flow conditions
(while accesory is being used).
Possible defect in safety
valve.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Air leak from
safety valve.
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
Pressure switch, check
valve, or pump could be
in need of servicing.
Safety Valve on
pump “pops”
out
Have checked by a Trained
Service Technician.