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17 - ENG A15414
TROUBLESHOOTING
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 On/Auto/Off lever
to the "Off" position, if
the outfit 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 escaping.
Check fittings with
soapy water solution.
Do Not Overtighten.
Air leaks in air tank or at
air tank welds.
Defective air tank. Air tank must be
replaced. Do not repair
the leak.
Do
not
drill into, weld or
otherwise modify air
tank or it will weaken.
The tank can rupture
or explode.
Air leaks between head
and valve plate.
Leaking seal. Contact a Trained
Service Technician.
Air leak from safety
valve.
Possible defect in safety
valve.
Operate safety valve
manually by pulling on
ring. If valve still leaks,
it should be replaced.
Knocking Noise. Possible defect in safety
valve.
Operate safety valve
manually by pulling on
ring. If valve still leaks,
it should be replaced.