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
Pressure switch does not
Move Auto/Off lever to the
tank pressure
shut off motor when
"Off" position,
if the outfit
- safety valve
compressor reaches
does not shut off contact a
pops off.
"cut-out" pressure.
Trained Service Technician.
Pressure switch "cut-out"
Contact a Trained Service
too high.
Technician.
Air leaks at fit-
Tube fittings are not tight
Tighten fittings where air can
tings,
enough,
be heard escaping. Check fit-
tings with soapy water solu=
tion. Do Not Overtighten.
Check valve seat damaged.
Air leaks at or
inside check
valve.
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 Replace
Check Valve" in the Service
and Adjustment section.
Air leaks at
Defective pressure switch
Contact a Trained Service
pressure switch
release valve.
Technician.
release valve.
Defective air tank.
Air leaks in air
tank or at air
tank welds.
Air leaks
Leaking seal.
between head
and valve plate.
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.
Contact a Trained Service
Technician.
19-ENG
N004395