Troubleshooting Guide - Craftsman 919.152145 Owner's Manual

occur. Prior to attempting any repairs, unplug the air compressor and
bleed off all air tank air pressure.
PrOBLeM
Excessive tank
pressure - safety
valve pops off.
Air leaks at
fittings.
Air leaks in air
tank or at air
tank welds.
Air leaks
between head
and valve plate.
Air leak from
safety valve.
Knocking Noise.
A11969
TROUBLESHOOTING
Performing repairs may expose voltage sources, moving
parts or compressed air sources. Personal injury may
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.
Defective air tank.
Leaking seal.
Possible defect in safety
valve.
Possible defect in safety
valve.
Move On/Auto/Off lever to
the "Off" position, if the
outfit 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.
Air tank must be replaced.
Do not repair the leak.
weld or otherwise modify
air tank or it will weaken.
The tank can rupture or
explode.
Contact a Trained Service
Technician.
Operate safety valve
manually by pulling on ring.
If valve still leaks, it should
be replaced.
Operate safety valve
manually by pulling on ring.
If valve still leaks, it should
be replaced.
18 - ENG
COrreCTiON
Do not
drill into,