17-ENG
Operate safety valve manually by
pulling on ring. If valve still leaks, it
should be replaced.
Possible defect in safety valve.
Air leak from safety
valve.
CAUSE
PROBLEM
CORRECTION
Knocking Noise.
Defective check valve.
Remove and clean, or replace.
Compressor is not
supplying enough air
to operate
accessories.
Prolonged excessive use of air.
Compressor is not large
enough for air requirement.
Restricted air intake filter.
Hole in hose.
Check valve restricted.
Air leaks.
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.
Clean or replace air intake filter. Do
not operate the air compressor with
the filter removed. See page 11.
Check and replace if required.
Remove and clean, or replace.
Tighten fittings. (See Air Leaks
Section of Troubleshooting Guide.)
Regulator knob has
continuous air leak.
Regulator will not
shut off air outlet.
Pressure release valve on
pressure switch has not
unloaded head pressure.
Damaged regulator.
Contact an Authorized Warranty
Service Center for replacement.
Gauge is not
registering air
pressure reading.
Malfunctioning or damaged
gauge
Contact an Authorized Warranty
Service Center for replacement.
