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20- ENG
PrOBLeM
CAUSE
CORRECTION
Knocking Noise.
Possible defect in safety
valve.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Defective check valve.
Replace check valve.
Compressor is
not supplying
enough air
to operate
accessories.
Prolonged excessive use of
air.
Decrease amount of air usage.
Compressor is not large
enough for air requirement.
Check the accessory air
requirement. If it is higher
than the SCFM or pressure
supplied by your air
compressor, you need a larger
compressor.
Hole in hose.
Check and replace if required.
Check valve restricted.
Replace check valve.
Air leaks.
Tighten fittings.
Restricted air intake filter.
Clean or replace air intake
filter. Do not operate the
air compressor with the fil-
ter removed. Refer to the
Air filter
paragraph in the
Maintenance section.
Regulator knob
has continuous
air leak.
Damaged regulator.
Replace.
Regulator will
not shut off air
outlet.
Damaged regulator.
Replace.
Motor will not
run.
Motor overload protection
switch has tripped.
Refer to
Motor Overload
Protection
under Operation.
If motor overload protection
trips frequently, contact a
Trained Service Technician.
Tank pressure exceeds
pressure switch "cut-in"
pressure.
Motor will start automatically
when tank pressure drops
below "cut-in" pressure of
pressure switch.
Содержание 919.167631
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