Troubleshooting Guide - Craftsman 919.165612 El Manual Del Propietario

TROUBLESHOOTING
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
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.
Check valve seat damaged.
Air leaks at or
inside check
valve
Defective pressure switch
Air leaks at
release valve.
pressure switch
release valve.
Defective air tank.
Air leaks in air
tank or at air
tank welds.
Air leaks Leaking seal.
between head
and valve plate.
A13568
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CAUSE
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 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.
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.
20- ENG
CORRECTION
Risk of
Bursting.