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TROUBLESHOOTING
Risk of Unsafe Operation. Unit cycles automatically when
power is on. When servicing, you may be exposed to voltage sources,
compressed air, or moving parts. Before servicing unit unplug or disconnect
electrical supply to the air compressor, bleed tank of pressure, and allow the
air compressor to cool.
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.
CAUSE
Pressure switch does
Move On/Off lever to
not shut off motor when
the "Off" position, if
compressor reaches
the outfit does not shut
"cut-out" pressure.
off contact a Trained
Service Technician.
Pressure switch "cut-
Contact a Trained
out" too high.
Service Technician.
Tube fittings are not
Tighten fittings where air
tight enough.
can be heard escaping.
Check fittings with
soapy water solution.
Do Not Overtighten.
Defective air tank.
Air tank must be
replaced. Do not
repair the leak.
bursting. Do not drill
into, weld or otherwise
modify air tank or it will
weaken. The tank can
rupture or explode.
Leaking seal.
Contact a Trained
Service Technician.
Possible defect in
Operate safety valve
safety valve.
manually by pulling on
ring. If valve still leaks,
it should be replaced.
Possible defect in
Remove and clean,
safety valve.
or replace.
16 - ENG
CORRECTION
Risk
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