Section 7: Service; Troubleshooting - Grizzly G1026 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. Note: Please
gather the serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom Possible Cause
Machine does not 1. Switch disabling lock installed.
start or a breaker
2. Power supply switched OFF or at fault.
trips.
3. Plug/receptacle at fault/wired wrong.
4. Motor connection wired wrong.
5. Wall circuit breaker tripped.
6. Wiring open/has high resistance.
7. Start capacitor at fault.
8. Spindle switch at fault.
9. Motor at fault.
Machine stalls or is 1. Workpiece material not suitable for
underpowered.
machine.
2. Fence/jig loose or misaligned.
3. V-belt slipping.
4. Motor wired incorrectly.
5. Plug/receptacle at fault.
6. Pulley slipping on shaft.
7. Motor bearings at fault.
8. Machine undersized for task.
9. Motor overheated.
10. Spindle switch at fault.
11. Motor at fault.
Machine has 1. Motor or component loose.
vibration or noisy
2. Cutter at fault.
operation.
3. V-belt worn or loose.
4. Spindle at fault.
5. Pulley loose.
6. Motor mount loose/broken.
7. Machine incorrectly mounted.
8. Motor fan rubbing on fan cover.
9. Motor bearings at fault.
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Troubleshooting

Possible Solution
1. Remove switch disabling lock.
2. Ensure power supply is ON/has correct voltage.
3. Test for good contacts; correct the wiring.
4. Correct motor wiring connections (Page 52).
5. Ensure circuit size is correct/replace weak breaker.
6. Check/fix broken, disconnected, or corroded wires.
7. Test/replace if faulty.
8. Replace switch.
9. Test/repair/replace.
1. Only cut wood/ensure moisture is below 20%
(Page 28).
2. Adjust fence/jig (Page 31).
3. Tension/replace V-belt (Page 43).
4. Wire motor correctly (Page 52).
5. Test for good contacts/correct wiring.
6. Replace loose pulley/shaft.
7. Test/repair/replace.
8. Use correct, sharp cutter; reduce feed rate/depth of
cut.
9. Clean motor, let cool, and reduce workload.
10. Test/replace switch.
11. Test/repair/replace.
1. Inspect/replace damaged bolts/nuts, and re-tighten.
2. Replace damaged cutter.
3. Tension/replace V-belt (Page 43).
4. Tighten loose spindle; replace defective spindle or
spindle cartridge.
5. Re-align/replace shaft, pulley, set screw, and key.
6. Tighten/replace.
7. Tighten mounting bolts; relocate/shim machine.
8. Fix/replace fan cover; replace loose/damaged fan.
9. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Model G1026 (Mfd. Since 10/13)