23-ENG
N000395
PROBLEM
CAUSE
CORRECTION
Motor will not
run (continued)
Fuse blown, circuit breaker
tripped.
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.
Safety Valve on
pump "pops"
out
Pressure switch, check
valve, or pump could be in
need of servicing.
Have checked by a Trained Service
Technician.
Knocking Noise Possible defect in safety
valve.
Operate safety valve manually by
pulling on ring. If valve still leaks, it
should be replaced.
Defective check valve.
Remove and clean, or replace.
Loose pulley.
Tighten pulley set screw, see Parts
manual for torque specifications.
Loose flywheel.
Tighten flywheel screw, see Parts
manual for torque specifications.
Compressor mounting
screws loose.
Tighten mounting screws,see Parts
manual for torque specifications.
Loose belt.
Check belt tension, see "Adjusting
Belt Tension" in the Maintenance
section.
Carbon build-up in pump.
Have checked by a Trained Service
Technician.
Belt to tight.
Check belt tension, see "Adjusting
Belt Tension" in the Maintenance
section.
Excessive belt
wear
Loose belt.
Check belt tension, see "Adjusting
Belt Tension" in the Maintenance
section.
Tight belt.
Check belt tension, see "Adjusting
Belt Tension" in the Maintenance
section.
Loose pulley.
Have checked by a Trained Service
Technician.
Pulley misalignment.
See "Motor Pulley/Flywheel
Alignment" paragraph in the
Maintenance section.
Squealing
sound
Compressor pump has
no oil.
See "Oil-Checking" paragraph in the
Maintenance section.
Loose belt.
Check belt tension, see "Adjusting
Belt Tension" in the Maintenance
section.
Summary of Contents for 919.167810
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