Page 29 of 36
Failure
Possible Cause
Corrective Action
Pressure reading on the
regulated pressure gauge
drops when an accessory
is used.
Regulator is not adjusted
correctly for accessory being
used.
It is normal for some pressure drop to
occur when an accessory is used. Adjust
the regulator as instructed (see the
Components table
under
Main Parts of
Compressor)
if the pressure drop is
excessive. NOTE: Adjust the regulated
pressure under flow conditions while the
accessory is being used.
Regulator knob has
continuous air leak
Damaged regulator
Replace regulator.
Regulator will not shut off
air outlet
Damaged regulator
Replace regulator.
Air tank pressure will not
build
Regulator open
Rotate the regulator knob counter-
clockwise to its built-in stop.
Compressor stalls
Low voltage motor
Furnish adequate power.
Check valve is in poor condition Replace check valve.
Seized pump
Contact an authorized service center.
Overheating
Restricted air passages
Inspect and replace transfer tubes or
check valve, as required.
Poor ventilation
Relocate compressor to an area with
cool, dry, well-circulated air, at least 12
inches from nearest wall.
Dirty cooling surfaces
Clean all cooling surfaces thoroughly.
