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PROBLEM
Motor will not
run.
Knocking Noise.
CAUSE
Motor overload protection
switch has tripped.
Tank pressure exceeds
3ressure switch "cut-in"
3ressure.
2,heck valve stuck open.
Loose electrical connec-
tions.
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.
Possible defect in safety
valve.
Defective check valve.
CORRECTION
Let motor cool off and over-
load 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 ter-
minal 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 flamma-
ble 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.
Check fuse box for blown
fuse and replace as nec-
essary.
Reset circuit
breaker. Do not use a fuse
or circuit breaker with
higher rating than that
specified for your particu-
lar branch circuit.
2.
Check for proper fuse. You
should use a time delay
fuse.
3.
Check for low voltage
conditions
and/or proper
extension cord.
4.
Disconnect
the other elec-
trical appliances from cir-
cuit or operate the com-
pressor on its own branch
circuit.
Operate safety valve manually
by pulling on ring.
If valve still
leaks, it should be replaced.
Remove and clean, or replace.
21_ ENG
D28071
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