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23-ENG A18791
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 re-
quirement. 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
filter. Do not operate the air
compressor with the filter re-
moved. 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 condi-
tions (while accessory 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.
Loose belt.
Check belt tension, see Adjust-
ing Belt Tension in the Mainte-
nance section.