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CAUSE
Possible defect in safety
valve.
PROBLEM
Knocking Noise.
Defective check valve.
Loose pulley
Loose flywheel
Compressor
mounting
screws loose
Loose belt
Carbon build-up in pump
Belt to tight
Excessive belt
wear
Loose belt.
Tight belt.
Loose pulley.
Pulley misalignment.
CORRECTION
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
Repair Parts section for torque
specifications.
Tighten flywheel screw, see
Repair Parts section for torque
specifications.
Tighten mounting screws,see
Repair Parts section for torque
specifications.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Have checked by a Sears or
other Trained Service
Technician.
Loosen wingnut and then
tighten wingnut untilit
contacts the washe_ plus one
turn.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Loosen wingnut and then
tighten wingnut until it
contacts the washer, plus one
turn.
Have checked by a Sears or
other Trained Service
Technician.
See Motor Pulley/Flywheel
Alignment
paragraph in the
Maintenace section.
D24917
26-ENG
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