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PROBLEM
It is normal for "some"
Pressure reading
pressure drop to occur.
on the regulated
pressure gauge
drops when an
accessory is
used.
Air leak from
Possible defect in safety
safety valve.
valve.
Prolonged excessive use
Compressor is
of air.
not supplying
Compressor is not large
enough air
enough for air requirement.
to operate
accessories.
Hole in hose.
Check valve restricted.
Air leaks.
Restricted air intake filter.
Loose belt.
Restricted air
Dirty air filter.
intake.
Regulator knob
Damaged regulator.
has continuous
air leak.
Damaged regulator.
Regulator will
not shut off air
outlet.
A15256
CAUSE
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 accessory is being
used).
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
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
filter. Do not operate the
air compressor with the
filter removed. Refer to the
"Air Filter" paragraph in the
Maintenance section.
Loosen wingnut and then
tighten wingnut until it contacts
the washer, plus one turn.
Clean or replace. See "Air
Filter" paragraph in the
Maintenance section.
Replace.
Replace.
26- ENG
CORRECTION