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Available languages
_Risk
of Unsafe Operation,
Unit cycles automatically
when
power is on, When servicing,
you may be exposed
to
vomtage sources,
compressed
air, or mov{ng parts, Before servicing
unit
unplug or disconnect
emectricamsupply to the air compressor,
bmeed tank
of pressure,
and allow the air compressor
to cool
PROBLEM
CORRECTION
Excessive
tank
pressure
- safety
valve
pops
"Off".
Air Ieaks at
fittings.
Air leaks at or
inside check
valve.
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.
Check valve seat damaged.
Defective pressure switch
release valve.
Defective air tank.
Leaking seal.
Air leaks
between head
and valve plate.
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
Overtighten,
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 to the "To
RepIace or Clean Check
Valve" in the "Service and
Adjustment"
section.
Contact a Trained Service
Technician.
Air tank must be replaced.
Do not repair the leak.
Do not drill into, wemd or
otherwise
modify
air tank
or it will weaken, The tank
can rupture
or explode,
Contact a Trained Service
Technician.
A09711
20- ENG
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