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PROBLEM
It is normal for "some"
Pressure reading
pressure drop to occur.
on the regulated
pressure gauge
(if equipped)
drops when an
accessory is
used.
Air leak from
Possible defect in safety
safety valve.
valve.
Prolonged excessive use of
Compressor is
air.
not supplying
Compressor is not large
enough air to
enough for air requirement.
operate
accessories.
Hole in hose.
Check valve restricted.
Air leaks.
Restricted air intake filter
Loose belt.
Restricted air
Dirty air filter.
intake.
Safety Valve on
Pressure switch, check
pump "pops"
valve, or pump could be
out.
in need of servicing.
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 accesory 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.
Check belt tension, see
Adjusting Belt Tension in the
Maintenance section.
Clean or replace. See Air Filter
paragraph in the Maintenance
section.
Have checked by a Trained
Service Technician.
23- ENG
CORRECTION
D24225
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