Porter-Cable C5101 Instruction Manual page 21

PROBLEM
air leaks at Check valve seat
or inside damaged.
check valve
air leaks at Defective pressure
pressure switch switch release valve.
release valve
air leaks in air Defective air tank.
tank or at air
tank welds
air leaks Leaking seal.
between head
and valve plate
Pressure It is normal for "some"
reading on pressure drop to occur.
the regulated
pressure gauge
drops when
an accessory
is used
air leak from Possible defect in
safety valve safety valve.
Compressor is Prolonged excessive
not supplying use of air.
enough air Compressor is not
to operate large enough for
accessories air requirement.
Hole in hose.
Check valve restricted.
air leaks.
Restricted air intake filter. Clean or replace air intake filter. Do not
Restricted Dirty air filter.
air intake
Regulator knob Damaged regulator.
has continu-
ous air leak.
Regulator will Damaged regulator.
not shut off
air outlet.
CAUSE
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 the To
Replace or Clean Check Valve in
the Service and Adjustments section.
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.
If there is an excessive amount of
pressure drop when the accessory
is used, adjust the regulator as
instructed in the Operation section.
NOTE: Adjust the regulated
pressure under flow conditions
(while accessory is being used).
operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Decrease amount of air usage.
Check the accessory air requirement. If
it is higher than the SCFM or pressure
supplied by your air compressor,
you need a larger compressor.
Check and replace if required.
Remove and clean, or replace.
Tighten fittings.
operate the air compressor with the
filter removed. Refer to the Air Filter
paragraph in the Maintenance section.
Clean or replace. See Air Filter
paragraph in the Maintenance section.
Replace.
Replace.
21 - eNG
CORRECTION
Risk of bursting.