Porter-Cable CPFC2TV3525VP Instruction Manual page 18

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
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.
N015840
TROUBLESHOOTING
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.
CORRECTION
Move 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
fittings with soapy water
solution. 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 section.
Contact a Trained
Service Technician.
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.
Contact a Trained
Service Technician.
18- ENG
Risk of