Craftsman 919.167812 Manual Del Usuario página 22

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prOBLeM
Air leaks in air Defective air tank.
tank or at air
tank welds
Air leaks Leaking seal.
between head
and valve plate
Pressure It is normal for "some"
reading on pressure drop to occur.
the regulated
pressure gauge
(if equipped)
drops when an
accessory is
used
Air leak from Possible defect in safety
safety valve valve.
Compressor is Prolonged excessive use
not supplying of air.
enough air
Compressor is not large
to operate
enough for air requirement.
accessories
Hole in hose.
Check valve restricted.
Air leaks.
Restricted air intake filter.
Loose belt.
Restricted air Dirty air filter.
intake
N004035
CAUSE
Air tank must be replaced. Do not
repair the leak.
weld or otherwise modify air tank
or it will weaken. The tank can
rupture or explode.
Contact a Trained Service Technician.
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
accessory 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.
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.
22-ENG
CORRECTION
Risk of Bursting.
Do not drill into,