Section 7: Service; Troubleshooting - Grizzly G0513 Owner's Manual

SECTION 7: SERVICE

Review the troubleshooting procedures in this section if a problem develops with your machine. If you need
replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the
serial number and manufacture date of your machine before calling.
Symptom Possible Cause
Machine does not 1. Stop button engaged/at fault.
start or a breaker
2. Switch disabling key removed.
trips.
3. Overload relay in magnetic switch tripped.
4. Wiring break or short; loose connections.
5. Plug or receptacle is corroded or miswired.
6. Power supply off/incorrect voltage.
7. Motor connection wired incorrectly.
8. Contactor has poor contacts or is at fault.
9. Blown fuse/tripped circuit breaker.
10. Power switch at fault.
11. Start capacitor has blown.
12. Centrifugal switch at fault.
13. Motor at fault.
Machine has 1. V-belt tension incorrect.
excessive vibration
2. Bent or dull blade.
or noise.
3. Loose blade.
4. Blade weld contacting support bearing or
blade guides.
5. Loose machine component.
6. Machine incorrectly mounted on floor.
7. Motor fan rubbing on fan cover.
8. V-belt worn or damaged.
9. Wheels not coplanar.
10. V-belt has a high spot.
11. Pulleys loose or not aligned; shaft bent.
12. Worn wheel bearing.
13. Wheel tires worn.
14. Wheels out of balance.
15. Motor at fault.
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Troubleshooting

Possible Solution
1. Reset/replace button.
2. Re-install switch disabling key.
3. Allow relay to cool. If necessary, reset.
4. Replace broken wires; fix shorts or loose
connections.
5. Correct the wiring.
6. Switch power supply on/verify voltage.
7. Wire motor correctly. Refer to diagram inside junction
box or the wiring diagrams beginning on Page 71.
8. Fix contacts or replace.
9. Replace fuse or reset circuit breaker. If problem is
not due to circuit overload, find/repair short.
10. Replace switch.
11. Test/replace if at fault.
12. Adjust/replace centrifugal switch.
13. Repair or replace.
1. Re-tension V-belt (Page 63).
2. Replace blade (Page 51).
3. Re-tension blade (Page 33).
4. File/stone the blade weld smooth or round back of
blade.
5. Tighten loose component.
6. Level/shim base; tighten/adjust mounting hardware.
7. Adjust/replace fan cover; replace fan if loose or
damaged.
8. Replace V-belt (Page 63).
9. Adjust wheels coplanar (Page 68).
10. Replace/adjust the V-belt (Page 63).
11. Tighten or re-align pulleys; replace bent shaft.
12. Check/replace wheel bearing.
13. Replace tires.
14. Replace wheels.
15. Repair/replace motor.
G0513 Series Bandsaws (Mfd. Since 07/18)