Troubleshooting - Stanley N128677 Instruction Manual

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 .
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
Excessive tank
pressure - safety
valve pops off.
Air leaks at fittings. Tube fittings are not tight
Air leak from safety
valve.
Knocking Noise.
Pressure reading
on the regulated
pressure gauge
drops when an
accessory is used.

TROUBLESHOOTING

CAUSE
Pressure switch does not shut
off motor when compressor
reaches "cut-out" pressure.
Pressure switch "cut-out" too
high.
enough.
Possible defect in safety
valve.
Possible defect in safety
valve.
It is normal for "some" pres-
sure drop to occur.
18 - ENG
CORRECTION
Move Off/Auto switch
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 escap-
ing. Check any exposed
fittings with soapy
water solution. Do Not
Overtighten.
Apply thread seal tape
to threads of exposed
fittings.
Operate safety valve
manually by pulling
on ring. If valve still
leaks, Contact a Trained
Service Technician.
Operate safety valve
manually by pulling
on ring. If valve still
leaks, Contact a Trained
Service Technician.
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).