_Risk
of Unsafer Operation.
Performing
repairs
may
expose voltage sources,
moving parts, or compressed
air sources.
Personal
injury may occur. Before servicing:
Unpmug or
disconnect
electricam suppmy to the air compressor,
bleed tank of pressure,
and allow the air compressor
to cool
PROBLEM
Excessive
tank
pressure
- safety
valve
pops off.
Air leaks 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 vane seat damaged.
Defective pressure switch
release valve.
Defective air tank.
Leaking seal.
Air leaks
between head
and valve plate.
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
Overtighten.
A ddective
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. Reptace check
valve. Refer to the "To
Replace 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.
_Risk
of
Bursting.
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.
A10819
20-ENG