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Performing repairs may expose voltage sources, moving
parts or compressed air sources, moving parts or
compressed air sources. Personal injury may occur. Prior to attempting
any repairs, unplug the air compressor and bleed off all air tank air
pressure.
PROBLEM
Pressure switch does
Excessive tank
not shut off motor when
pressure - safety
compressor reaches "cut-
valve pops off.
out" pressure.
Pressure switch "cut-out"
too high.
Air leaks at
Tube fittings are not tight
fittings.
enough.
Air leaks at
Defective pressure switch
pressure switch
release valve.
release valve.
(if equipped)
Defective air tank.
Air leaks in air
tank or at air
tank welds.
Air leaks
Leaking seal.
between head
and valve plate.
Air leak from
Possible defect in safety
safety valve.
valve.
Possible defect in safety
Knocking Noise.
valve.
A08590
TROUBLESHOOTING
CAUSE
16- ENG
CORRECTION
Move On/Auto/Off lever
to the "OFF" position, if
the outfit does not shut off
contact a Trained Service
Technician.
Contact a Trained Service
Technician.
Tighten fittings where air
can be heard escaping.
Check fittings with soapy
water solution. Do Not
Overtighten.
Contact a Trained Service
Technician.
Air tank must be replaced.
Do not repair the leak.
Do not
drill into,
weld or otherwise modify
air tank or it will weaken.
The tank can rupture or
explode.
Contact a Trained Service
Technician.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Operate safety valve
manually by pulling on ring.
If valve still leaks, it should
be replaced.
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