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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
Pressure switch does not
Excessive tank
shut off motor when
pressure - safety
compressor reaches "cut-
valve pops off.
out" pressure.
Pressure switch "cut-out"
too high.
Air leaks at
Tube fittings are not tight
fittings.
enough.
Air leak from
Possible defect in safety
safety valve.
valve.
Knocking Noise.
Possible defect in safety
valve.
Pressure reading
It is normal for "some"
on the regulated
pressure drop to occur.
pressure gauge
drops when an
accessory is
used.
D29477
TROUBLESHOOTING
CAUSE
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 escaping. Check
any exposed fittings with
soapy water solution. Do Not
Overtighten.
Apply sealant 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 accessory is used,
adjust the regulator following
the instructions in the
"Description of Operation"
paragraph in the "Operation
Section.
NOTE: Adjust the regulated
pressure under flow
conditions (while accessory
is being used).