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PROBLEM
Motor will not
run (continued)
CAUSE
Fuse blown, circuit breaker
tripped.
Knocking Noise Possible defect in safety
valve.
Defective check valve.
Loose pulley.
Loose flywheel.
Compressor mounting
screws loose.
Loose belt.
Carbon build-up in pump.
Belt to tight.
Excessive belt
Loose belt.
Loosen wingnut and then tighten
wear
wingnut until it contacts the washer,
)lus one turn.
Tight belt.
Loosen wingnut and then tighten
wingnut until it contacts the washer,
)lus one turn.
Loose pulley.
Have checked by a Trained Service
Technician.
Pulley misalignment.
See "Motor Pulley/Flywheel
Alignment" paragraph in the
Maintenance section.
Squealing
Compressor pump has no
See "Oil-Checking" paragraph in the
sound
oil.
Maintenance section.
Loose belt.
Loosen wingnut and then tighten
wingnut until it contacts the washer,
)lus one turn.
CORRECTION
1.
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.
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 electrical
appliances from circuit or
operate the compressor 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.
Tighten pulley set screw, see Parts
manual for torque specifications.
Tighten flywheel screw, see Parts
manual for torque s_oecifications.
Tighten mounting screws,see Parts
manual for torque s_oecifications.
Loosen wingnut and then tighten
wingnut until it contacts the washer,
)lus one turn.
Have checked by a Trained Service
Technician.
Loosen wingnut and then tighten
wingnut until it contacts the washer,
)lus one turn.
N000578
26-ENG
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