Manual

II
Performing repairs may expose voltage sources, moving
parts or compressed air sources, moving parts or
compressed air sources. Personal inju W may occur. Prior to attempting
any repairs, unplug the air compressor and bleed off all air tank air
pressure.
PROBLEM
Excessive t_}lk
pressbre safet
valve pops off
Air leaks at
fittin@s,
Air leaks at or
insicte check
va!ve
Air leaks at
pressure switch
release valve
Air leaks in air
tank or at air
tank welds,
CAUSE
Pressure switch Ooes not
shut of1 motor when
compressor reaches
"cut-out" pressure.
Pressure switch "cut-out"
too high.
Tube fittings are not tight
enough.
Cheek valve seat damaged.
CORRECTION
Move On/Auto/Off levor to
the "OFF" position, if the
outfit does not shut off
contact s Trained Service
Technician.
Contact a Trained Service
Techniciam
Tighten fittings where air sen
be heard escaping, Check
fittings with soapy water
solution. Do Not
Overti@hten,
A defective check valve
results in a constant air leak
st the pressure release valve
when there is pressure in the
tank and the compressor is
shut off, Replace check
valve. Refer to the "To
Replace or Clean Check
Valve" in the "Service and
Adjustment" section.
Defective pressure switch Contact a Trained Service
release valve. Technician.
Defective air tank. Air tank must be replaced,
Do not repair the leak.
Air leaks Leaking seal.
between head
and valve plate.
Do not drill into, weld or
otherwise modify air tank
or it will weaken, "fhe tank
can rupture or explode.
Contact a Trained SerVice
Technician.
1 @- ENG D28336