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Risk of Unsafe Operation. Unit cycles automatically
when power is on. When servicing, you may be exposed
to voltage sources, compressed air, or moving parts. Before servicing
unit
unplug or disconnect electrical supply to the air compressor, bleed tank
of pressure,
and allow the air compressor to cool.
PROBLEM
CAUSE
CORRECTION
Excessive tank
pr_ure
-
(safety
valve)
peps
off.
Air leaks at
fittings.
Air leaks at or
inside check
valve,
Pressure switch does not
shut off motor when
compressor
reaches "out-
OUt_"pressure.
Pressure switch "cut-out"
too high.
Tube fittings are not tight
enough.
Check valve seat damaged,
Move On/Auto/Off
lever to
the "OFF" position,
if the
outfit does not shut off
contac_ 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
OVER]IGHTE_.
A defective check valve
results in a constant air leak
at the pressure release valve
when there is pressure in the
tank and the compressor
is
shut off. Replace check
valve. Refer the "To Replace
or Clean Check Valve" in the
"Operation"
section.
Air leaks at
Defective pressure switch
Contact a Trained Service
pressure switch
release valve.
Technician.
release valve,
(if equipped)
Air leaks in air
Defective air tank,
tank or at air
tank welds.
Air tank must be replaced.
Do not repair the leak,
Risk of
Bursting.
DO not drill into, weld or
otherwise modify air tank
or it will weaken. The tank
can rupture or explode.
Air leaks
Leaking seal,
Contact a Trained Service
between head
Technician,
and valve plate.
23-EN_
EY30092
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