Porter-Cable C2004 - Manual (Page 16)

16 - ENG
PROBLEM CAUSE CORRECTION
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.
Pressure reading on
the regulated pressure
gauge drops when an
accessory is used.
It is normal for "some"
pressure drop to occur.
If there is an excessive
amount of pressure drop
when the accessory
is used, adjust the
regulator following
the instructions in
the Description of
Operation paragraph in
the Operation Section.
NOTE: Adjust the
regulated pressure
under flow conditions
(while accessory
is being used).
Compressor is not
supplying enough air to
operate accessories.
Prolonged excessive
use of air.
Decrease amount
of air usage.
Compressor is not
large enough for
air requirement.
Check the accessory
air requirement. If
it is higher than the
SCFM or pressure
supplied by your air
compressor, you need
a larger compressor.
Hole in hose. Check and replace
if required.
Check valve restricted. Contact a Trained
Service Technician
Air leaks. Tighten fittings.
Regulator knob has
continuous air leak.
Damaged regulator. Replace.
Regulator will not
shut off air outlet.
Damaged regulator. Replace.