Troubleshooting - Porter-Cable CPFC2TV3525VP Instruction Manual

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 at or
inside check
valve.
Air leaks at
pressure
switch release
valve.
Air leaks in air
tank or at air
tank welds.
Air leaks
between head
and valve
plate.

TROUBLESHOOTING

Risk of Unsafe Operation. Unit cycles automatically when
power is on. When servicing, you may be exposed to voltage
CAUSE
Pressure switch does not
shut off motor when
compressor reaches
"cut-out" pressure.
Pressure switch "cut-out"
too high.
Tube fittings are not tight
enough.
Check valve seat damaged.
Defective pressure switch
release valve.
Defective air tank.
Leaking seal.
Move On/Auto/Off lever to
the "Off" position, if the
outfit does not shut off
contact a Trained Service
Technician.
Contact a Trained Service
Technician.
Tighten fittings where air can
be heard escaping. Check fit-
tings with soapy water solu-
tion. Do Not Overtighten.
A defective check valve results
in a constant air leak at the
pressure release valve when
there is pressure in the tank
and the compressor is shut
off. Replace check valve.
Refer to the "To Replace or
Clean Check Valve" in the
"Service and Adjustment" sec-
tion.
Contact a Trained Service
Technician.
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.
Contact a Trained Service
Technician.
19 - ENG
CORRECTION
Risk of
Bursting
D21683