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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
Excessive tank
pressure - safet
valve pops off.
Air leaks at
fittings.
Air leaks at
pressure switch
release valve.
Air leaks in air
tank or at air
tank welds.
CAUSE
Pressure switch does not
shut off motor when
compressor
reaches "cut-
out" pressure.
Pressure switch "cut-out"
too high.
Tube fittings are not tight
enough.
Defective pressure switch
release valve.
Defective air tank.
CORRECTION
Move On/Auto/Off
lever to
the "OFF" position,
if the
unit 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
Overfi£1hten.
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.
Air leaks
Leaking seal.
between head
and valve plate.
Air leak from
Possible defect in safety
Operate safety valve
safety valve,
valve,
manually by pulling on ring.
If valve still leaks, it should
be replaced.
Knocking Noise.
Possible defect in safety
Operate safety valve
valve,
manually by pulling on ring.
If valve still leaks, it should
be replaced.
19_ ENG
D28409
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