Section 8: Service; Troubleshooting - Grizzly G0852 Owner's Manual

SECTION 8: 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.
Motor & Electrical
Symptom Possible Cause
Machine does not 1. Dust collector not properly connected to
start or a breaker
ducting with resistance at opposite end.
trips immediately
2. Incorrect power supply voltage or circuit
after startup.
size.
3. Power supply circuit breaker tripped or fuse
blown.
4. Machine circuit breaker has tripped.
5. Wiring open/has high resistance.
6. Centrifugal switch/contact points at fault.
7. Power switch/circuit breaker at fault.
8. Start capacitor at fault.
9. Motor at fault.
Machine seems 1. Motor overheated.
underpowered.
2. Dust-collection ducting problem.
3. Canister filter clogged/at fault.
4. Dust collector undersized.
5. Run capacitor at fault.
6. Centrifugal switch/contact points at fault.
7. Motor bearings at fault.
Machine has 1. Motor or component loose.
vibration or noisy
operation.
2. Motor fan rubbing on fan cover.
3. Motor mount loose/broken.
4. Centrifugal switch is at fault.
5. Impeller damaged or unbalanced.
6. Motor bearings at fault.
7. Motor shaft bent.
Model G0852 (Mfd. Since 12/18)

Troubleshooting

Possible Solution
1. Connect dust collector to ducting with resistance at
opposite end (Page 22).
2. Ensure correct power supply voltage and circuit
size.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
4. Reset circuit breaker on switch.
5. Check/fix broken, disconnected, or corroded wires.
6. Adjust/replace centrifugal switch/contact points if
available.
7. Test/replace.
8. Test/replace.
9. Test/repair/replace.
1. Allow motor to cool, reset overload if necessary.
2. Clear blockages, seal leaks, use smooth-wall duct,
eliminate bends, close other branches (Page 22).
3. Wash canister filter (Page 36); replace canister filter
(Page 39).
4. Move closer to machine/redesign ducting layout/
upgrade dust collector.
5. Test/repair/replace.
6. Adjust/replace centrifugal switch/contact points if
available.
7. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
1. Inspect/replace damaged bolts/nuts, and retighten
with thread-locking fluid.
2. Fix/replace fan cover; replace loose/damaged fan.
3. Tighten/replace.
4. Adjust/replace centrifugal switch if available.
5. Replace.
6. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
7. Test with dial indicator. Replace motor if damaged.
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