TROUBLESHOOTING GUIDE
,To avoid injury from an accidental start, turn the switch OFF and always remove the plug from the power source
before making any adjustments.
+All electrical or mechanical repairs should be done only by qualified service technicians• Contact the nearest Sears Service Center.
MOTOR
Problem | Probable | Cause | Remedy |
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Noisy operation. | 1. | Incorrect belt tension. | 1. | Adjust tension. See ASSEMBLY AND | |||||
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| ADJUSTMENTS section "INSTALL THE BELT". | |||
| 2. | Loose | motor | pulley. | 2: Readjust | and tighten | motor | pulley set screw. | |
| 3. | Loose | pulley | cover. | 3. | Readjust | and tighten | pulley | cover mounting |
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Motor will not start. | . | Not plugged | into power | 1. | Plug it into the power outlet. |
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| . | Switch | and key not in ON | 2. | Insert key and turn the switch ON. | ||||
GENERAL
Problem
Blade does not run in the center of the
upper wheel.
Band saw slows down when cutting.
Probable Cause
1.Not tracking properly.
2.Defective blade.
1.Belt too loose•
2. | Cutting too small a radius. |
3. | Dull blade. |
4. | Overloading motor. |
Remedy
1.Adjust tracking. See ASSEMBLY AND ADJUSTMENTS section "BLADE TRACKING".
2.Replace blade.
1.Adjust belt tension. See ASSEMBLY AND ADJUSTMENTS section "BLADE TENSION".
2. | Stop feeding, back up the material | slightly, until the |
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3. | Replace blade. |
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4. | Slow down, you are trying to cut too fast. See | |
| "MOTOR TROUBLESHOOTING | GUIDE". |
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| . | Motor cord cut or abraded. | 3. | Take to Sears | Service | Center | for new cord. | |||
| 4. | Plug on cord is faulty. | 4. | Take to Sears | Service | Center | for new plug. | |||
| 5. | Fuse on circuit breaks open. | 5. | |||||||
| 6. | Faulty motor | 6. | Take to Sears | Service | Center | for repair | |||
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Motor will not start and fuse | . | Too many | electrical | 1. | Turn off other machines | and | try again. | |||
or circuit breaker opens. |
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| 2. | Incorrect | fuse. | 2. | Try time delay | fuse, or go to circuit with higher | ||||
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| rated fuse or circuit breaker. |
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| 3. | Wheels | do | not rotate• | 3. | Unplug and turn wheels by hand, | move | |||
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| 4. | Undersized | extension cord. | 4. | Use correct size extension cord; | see page 5. | ||||
| 5. | Short circuit. | 5. | Cord, plug, or motor need repair; | take to Sears | |||||
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Blades braking.
1. Too much tension on |
the blade• |
2.Kink in the blade caused by cutting too small a radius or turning the material too fast when cutting.
1. Adjust tension. See ASSEMBLY AND |
ADJUSTMENTS section "BLADE TENSION" |
2.Use correct cutting technique.
See OPERATION section "GENERAL CUTTING".
Motor fails to develop full power.
Motor overheats•
1, Low line voltage.
2. Faulty motor or capacitor.
. Overload on motor.
2.Poor ventilation of motor. Provide better air circulation.
3.Capacitor failure.
1.Check power line for proper voltage.
2.Take to Sears Service Center for evaluation.
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• | ||
Blade dulls too quickly.
Band saw vibrates.
1.Blade guides set toe close to 1. Adjust upper and lower blade guides. the teeth.
2.Cutting incorrect material• 2. See OPERATION section "BLADE SELECTION".
1. Too much tension on | 1. Adjust according to ASSEMBLY AND |
motor belt. | ADJUSTMENTS section, "INSTALL THE BELT". |
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 | 1 • Motor overload. | 1. | Reduce load to | motor, feed work | slower | into blade. | ||
breaker | failure. | 2. | Overload | of electrical circuit. | 2. | Too many electrical appliances on same | circuit. | ||
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| 3. | Incorrect | fuse or circuit | 3. | Have e ectrician | upgrade service | to outlet. | |
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| breaker. |
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