Porter-Cable CPFC2TV3525VP - Manual (Page 19)

19 - ENG N015840
PROBLEM CAUSE CORRECTION
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).
knocking
Noise.
Possible defect in
safety valve.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Defective check valve. Remove and clean, or replace.
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. Remove and clean, or replace.
Air leaks. Tighten fittings.
Restricted air intake filter. Clean or replace air intake
filter. Do not operate the
air compressor with the
filter removed. Refer to the
Air Filter paragraph in the
Maintenance section.
Regulator
knob has
continuous
air leak.
Damaged regulator. Replace.
Regulator will
not shut off
air outlet.
Damaged regulator. Replace.