Section 7: Service; Troubleshooting - Grizzly G0818 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 key removed.
start or a breaker
2. Power supply circuit breaker tripped or fuse
trips.
blown.
3. Motor wires connected incorrectly.
4. Wiring open/has high resistance.
5. ON/OFF switch at fault.
6. Start capacitor at fault.
7. Motor at fault.
Machine stalls or is 1. Motor overheated.
underpowered.
2. Motor wired incorrectly.
3. Run capacitor at fault.
4. Motor bearings at fault.
Machine has 1. Debris caught in impeller.
vibration or noisy
2. Motor or component loose.
operation.
3. Motor fan rubbing on cover.
4. Motor mount loose/broken.
5. Motor bearings at fault.
6. Motor shaft bent.
-28-

Troubleshooting

Possible Solution
1. Install switch disabling key (Page 19).
2. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
3. Correct motor wiring connections.
4. Check/fix broken, disconnected, or corroded wires.
5. Replace switch.
6. Test/replace.
7. Test/repair/replace.
1. Turn off machine, allow motor to cool.
2. Inspect/correct motor wiring (Page 30).
3. Test/replace.
4. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
1. Inspect impeller for debris or damage (Page 26).
2. Inspect/replace damaged bolts/nuts, and retighten
with thread-locking fluid.
3. Fix/replace fan cover; replace loose/damaged fan.
4. Tighten/replace.
5. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
6. Test with dial indicator. Replace motor if damaged.
Model G0818 (Mfd. Since 10/16)