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

SEcTION 7: SERVIcE

Review the troubleshooting and 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 at (570) 546-9663.
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.
G0513 Series Bandsaws

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 69.
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 60).
2. replace blade (Page 48).
3. re-tension blade (Page 30).
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 60).
9. adjust wheels coplanar (Page 65).
10. replace/adjust the V-belt (Page 60).
11. tighten or re-align pulleys; replace bent shaft.
12. Check/replace wheel bearing.
13. replace tires.
14. replace wheels.
15. repair/replace motor.
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