Grizzly G0690 Saw User Manual


 
Model G0690/G0691 (Mfg. 11/10+)
-63-
SECTION 8: SERVICE
Troubleshooting
Symptom Possible Cause Possible Solution
Machine does not
start or a breaker
trips.
1. Locking pin installed.
2. Blown fuse.
3. Power supply switched OFF or at fault.
4. Plug/receptacle at fault/wired wrong.
5. Motor connection wired wrong.
6. Wall circuit breaker tripped.
7. Wiring open/has high resistance.
8. Motor ON/OFF switch at fault.
9. Start capacitor at fault.
10. Motor at fault.
1. Remove locking pin from ON button.
2. Replace fuse/ensure no shorts.
3. Ensure power supply is on/has correct voltage.
4. Test for good contacts; correct the wiring.
5. Correct motor wiring connections.
6. Ensure circuit size is correct/replace weak breaker.
7. Check/fix broken, disconnected, or corroded wires.
8. Replace switch.
9. Test/replace if faulty.
10. Test/repair/replace.
Machine stalls or is
underpowered.
1. Feed rate/cutting speed too fast.
2. Workpiece material unsuitable for machine.
3. Workpiece crooked; fence mis-adjusted.
4. Machine undersized for task.
5. Run capacitor at fault.
6. Belt slipping.
7. Motor wired incorrectly.
8. Plug/receptacle at fault.
9. Pulley/sprocket slipping on shaft.
10. Motor bearings at fault.
11. Contactor not energized/has poor contacts.
12. Motor overheated.
13. Motor at fault.
1. Decrease feed rate/cutting speed.
2. Only cut wood/ensure moisture is below 20%.
3. Straighten or replace workpiece/adjust fence.
4. Use correct blade/reduce feed rate or depth of cut.
5. Test/repair/replace.
6. Tension/replace belt (Page 73).
7. Wire motor correctly.
8. Test for good contacts/correct wiring.
9. Replace loose pulley/shaft.
10. Test/repair/replace.
11. Test all legs for power/replace if faulty.
12. Clean motor, let cool, and reduce workload.
13. Test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component loose.
2. Blade at fault.
3. Belts worn or loose.
4. Pulley loose.
5. Motor mount loose/broken.
6. Machine incorrectly mounted.
7. Arbor pulley loose.
8. Motor fan rubbing on fan cover.
9. Arbor bearings at fault.
10. Motor bearings at fault.
1. Inspect/replace damaged bolts/nuts, and re-tighten
with thread locking fluid.
2. Replace warped/bent blade; resharpen dull blade.
3. Tension/replace belts (Page 73).
4. Realign/replace shaft, pulley, setscrew, and key.
5. Tighten/replace.
6. Tighten mounting bolts; relocate/shim machine.
7. Retighten/replace arbor pulley.
8. Fix/replace fan cover; replace loose/damaged fan.
9. Replace arbor housing bearings; replace arbor.
10. Test by rotating shaft; grinding/loose shaft requires
bearing replacement.
Troubleshooting
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.