Grizzly G0888, Owner'S Manual

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Model G0888 (Mfd. Since 01/19)
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.
SECTION 7: SERVICE
Troubleshooting
Symptom Possible Cause Possible Solution
Machine does not
start or a breaker
trips immediately
after startup. 1. Power supply circuit breaker tripped or fuse
blown.
2. Motor wires connected incorrectly.
3. Plug/receptacle at fault/wired incorrectly.
4. Wiring open/has high resistance.
5. ON/OFF switch at fault.
6. Start capacitor at fault.
7. Centrifugal switch/contact points at fault.
8. Motor at fault.
1. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
2. Correct motor wiring connections (
Page 27).
3. Test for good contacts; correct the wiring.
4. Check/fix broken, disconnected, or corroded wires.
5. Replace switch.
6. Test/replace.
7. Adjust/replace centrifugal switch/contact points.
8. Test/repair/replace.
Machine has
vibration or noisy
operation. 1. Debris caught in impeller.
2. Motor or component loose.
3. Motor fan rubbing on cover.
4. Motor mount loose/broken.
5. Motor bearings at fault.
6. Motor shaft bent.
7. Machine not on a flat surface, wobbles.
8. Impeller damaged or unbalanced.
9. Impeller loose on motor shaft.
1. Inspect impeller for debris or damage ( Page 24).
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.
7. Stabilize machine.
8. Disconnect machine from power. Inspect impeller
for dents, bends, or loose fins. Replace impeller if
damaged.
9. Secure impeller; replace motor and impeller as a set
if motor shaft and impeller hub are damaged.
Machine does
not adequately
collect dust
or chips; poor
performance. 1. Collection drawer is full.
2. Filter is dirty/clogged.
3. Dust inlet is dirty/clogged.
4. Leak in dust hose connection.
1. Empty collection drawer (
Page 22).
2. Clean filter; replace with new filter if performance
does not improve (
Page 23).
3. Clean dust inlet ( Page 25).
4. Seal leak.