Craftsman 919.157260 Owner's Manual page 23

PROBLEM
Compressor is
not supplying
enough air
to operate
accessories.
Restricted air
intake.
Excessive
vibration.
CAUSE
Prolonged excessive use
of air.
Compressor is not large
enough for air requirement.
Hole in hose.
Unloader valve restricted.
Air leaks.
Restricted air intake filter
Loose belt.
Dirty air filter.
Stiffener bar or engine and
compressor mounting
screws are loose.
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.
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.
Check belt tension, see
Adjusting Belt Tension in the
Maintenance section.
Clean or replace. See Air Filter
paragraph in the Maintenance
section.
could weaken the air tank
and cause it to rupture or
explode. Stiffener bar nuts
and mounting screws must
be kept tightened. Never
operate the unit unless
equipped with the stiffener
bar and rubber feet.
23 - ENG
CORRECTION
Excessive
vibration
A13567