Service And Adjustments - Craftsman 919.167342 Owner's Manual

, N
Performing repairs may expose voltage sources, moving
parts or compressed air sources, moving parts or
compressed air sources. Personal }njury may occur. Prior to attempting
any repairs, unpBug the a}r compressor and Heed off aH air tank a}r
pressure.
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 sea!.
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. Reptace 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, weld or
otherwise modify air tank
or it will weaken, 3"he tank
can rupture or explode,
Contact a Trained Service
Technician.
21-ENG A09708