Craftsman 919.167342 Manual De Instrucciones página 22

PROBLEM
Pressure reading
on the regulated
pressure gauge
drops when an
accessory is
used.
CAUSE
It is normal for "some"
pressure drop to occur.
Possible defect in safety
valve.
Knocking Noise,
Compressor is
not supplying
enough air
to operate
accessories.
Defective check valve.
Prolonged excessive use of
air.
Compressor is not large
enough for air requirement.
Hole in hose.
Check valve restricted.
Air leaks.
Restricted air intake filter.
Clean or replace air intake
filter. Do not operate the
air compressor with the
filter removed. Refer to the
"Air FiIter" paragraph in the
"Maintenance" section.
CORRECTION
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
bein used.
Operate safety valve
manually by pulling on ring.
if valve still leaks, it should
be replaced.
Remove and clean, or
replace.
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.
Regulator knob Damaged regulator. Replace.
has continuous
air leak.
A09708 22- ENG