Craftsman 919.195411 Manual De Instrucciones página 25

PROBLEM
Pressure readir
on the outlet
pressure gauge
(if equipped)
drops when an
accessory is
used.
Air leak from
safety valve.
Compressor is
not supplying
enough air to
operate
accessories.
Restricted air
intake
Regulator knob
has continuous
air leak.
Regulator will
not shut off air
outlet.
CAUSE
It is normal for "some"
pressure drop to occur.
Possible defect in safety
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
Loose belt.
CORRECTION
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 accesory 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.
Dirty air filter.
Damaged regulator Replace
Damaged regulator Replace
25_ENG D30090
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.
Loosen wingnut and then
tighten wingnut until it contacts
the washer, plus one turn.
Clean or replace. See Air Filter
paragraph in the Maintenance
section.