Craftsman 919.72458 Owner's Manual page 21

PROBLEM
Motor will not
run.
Knocking Noise. Possible defect in safety
CAUSE
Motor overload protection
switch has tripped.
Tank pressure exceeds
pressure switch "cut-in"
pressure.
Check valve stuck open.
Loose electrical
connections.
Possible defective motor
or starting capacitor.
Paint spray on internal
motor parts.
Pressure release valve on
pressure switch has not
unloaded head pressure.
Fuse blown, circuit breaker
tripped.
valve.
Defective check valve.
Let motor cool off and
overload switch will
automatically reset.
Motor will start automatically
when tank pressure drops
below "cut-in" pressure of
pressure switch.
Remove and clean, or replace.
Check wiring connection
inside pressure switch and
terminal box area.
Have checked by a Trained
Service Technician.
Have checked by a Trained
Service Technician. Do not
operate the compressor in the
paint spray area. See
flammable vapor warning.
Bleed the line by pushing the
lever on the pressure switch to
the "off" position; if the valve
does not open, replace switch.
1.
2.
3.
4.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Remove and clean, or replace.
21- ENG
CORRECTION
Check fuse box for blown
fuse and replace as
necessary. Reset circuit
breaker. Do not use a fuse
or circuit breaker with
higher rating than that
specified for your
particular branch circuit.
Check for proper fuse. You
should use a time delay
fuse.
Check for low voltage
conditions and/or proper
extension cord.
Disconnect the other
electrical appliances from
circuit or operate the
compressor on its own
branch circuit.
D24456