Craftsman CMXECXM301 Instruction Manual page 19

PROBLEM
Air leaks between head and
valve plate.
Air leak from safety valve.
Pressure reading on the regulated
pressure gauge drops when an
accessory is used.
Compressor is not supplying enough
air to operate accessories.
Regulator knob has continuous
air leak.
Regulator will not shut off air outlet.
Motor will not run.
CAUSE
Leaking seal.
Possible defect in safety valve.
It is normal for "some" pressure drop
to occur.
Prolonged excessive use of air.
Compressor is not large enough for
air requirement.
Hole in hose.
Check valve restricted.
Air leaks.
Damaged regulator.
Damaged regulator.
17
CORRECTION
Contact a Trained Service Technician.
Operate safety valve manually by pulling on ring. If valve still leaks,
it should be replaced.
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).
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.
Have checked by a Trained Service Technician.
Tighten fittings.
Replace.
Replace.
ENGLISH