Craftsman 137.224320 - Manual (Page 21)

MOTOR
Problem Probable Cause Remedy
Noisy operation. 1. Incorrect belt tension.
2. Loose motor pulley.
3. Loose pulley cover.
1. Adjust tension. See ASSEMBLY AND
ADJUSTMENTS section “INSTALL THE BELT,
2: Readjust and tighten motor pulley set screw.
3. Readjust and tighten pulley cover mounting
screws.
Motor will not start. 1. Not plugged into power
outlet.
2. Switch and key not in ON
position.
3. Motor cord cut or abraded.
4. Plug on cord is faulty.
5. Fuse on circuit breaks open.
6. Faulty motor
1. Plug it into the power outlet.
2. Insert key and turn the switch ON.
3. Take to Sears Service Center for new cord.
4. Take to Sears Service Center for new plug.
5. Re-set; may be too many machines on line.
6. Take to Sears Service Center for repair
or replacement.
Motor will not start and fuse
or circuit breaker opens. 1. Too many electrical
machines.
2. Incorrect fuse.
3. Wheels do not rotate.
4. Undersized extension cord.
5. Short circuit.
1. Turn off other machines and try again.
2. Try time delay fuse, or go to circuit with higher
rated fuse or circuit breaker.
3. Unplug and turn wheels by hand, mbve
obstruction.
4. Use correct size extension cord; see page 5.
5. Cord, plug, or motor need repair; take to Sears
Service Center for repair.
Motor fails to develop
full power.
1. Low line voltage.
2. Faulty motor or capacitor.
1. Check power line for proper voltage.
2. Take to Sears Service Center for evaluation.
Motor overheats. 1. Overload on motor.
2. Poor ventilation of motor.
Provide better air circulation.
3. Capacitor failure.
1. Reduce load to motor, feed work slower into blade.
2. Unplug and clean out around motor; provide
better air circulation.
3. Take to Sears Service Center for repair.
Motor stalls or slows. 1. Motor overload.
2. Low line voltage.
3. Loose wire connections.
4. Faulty motor.
1. Reduce load to motor, feed work slower into blade.
2. Check power line for proper voltage.
3. Take to Sears Service Center for repair.
4. Take to Sears Service Center for repair.
Frequent fuse or circuit
breaker failure. 1. Motor overload.
2. Overload of electrical circuit,
3. Incorrect fuse or circuit
breaker.
1. Reduce load to motor, feed work slower into blade.
2. Too many electrical appliances on same circuit.
3. Have e ectrician upgrade service to outlet.
:21