18 - ENG
TROUBLESHOOTING
Risk of Unsafe Operation. Performing repairs may expose voltage sources,
moving parts or compressed air sources. Personal injury may occur. Prior to attempting any
repairs, unplug the air compressor and bleed off all air tank air pressure.
PROBLEM
CAUSE
CORRECTION
Excessive tank
pressure - safety
valve pops off.
Pressure switch does not shut
off motor when compressor
reaches "cut-out" pressure.
Move Off/Auto switch
to the "OFF" position, if
the unit does not shut
off contact a Trained
Service Technician.
Pressure switch "cut-out" too
high.
Contact a Trained
Service Technician.
Air leaks at fittings. Tube fittings are not tight
enough.
Tighten fittings where
air can be heard escap-
ing. Check any exposed
fittings with soapy
water solution.
Do Not
Overtighten.
Apply thread seal tape
to threads of exposed
fittings.
Air leak from safety
valve.
Possible defect in safety
valve.
Operate safety valve
manually by pulling
on ring. If valve still
leaks, Contact a Trained
Service Technician.
Knocking Noise.
Possible defect in safety
valve.
Operate safety valve
manually by pulling
on ring. If valve still
leaks, Contact a Trained
Service Technician.
Pressure reading
on the regulated
pressure gauge
drops when an
accessory is used.
It is normal for "some" pres-
sure drop to occur.
If there is an excessive
amount of pressure
drop when the acces-
sory is used, adjust
the regulator following
the instructions in the
Description of Operation
paragraph in the
Operation section.
NOTE:
Adjust the regulat-
ed pressure under flow
conditions (while acces-
sory is being used).
For assistance with your machine, visit our website at www.stanleytools.com
for a list of service centers or call the help line at
1-800-262-2161
.
