Section 8: Service; Troubleshooting - Grizzly T32006 Owner's Manual

SECTION 8: SERVICE

Motor & Electrical
Symptom
Tool does not start,
or power supply
fuse/breaker trips
immediately after
startup.
Tool stalls or is
underpowered.
Tool has vibration
or noisy operation.
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Troubleshooting

Possible Cause
1. Power supply circuit breaker
tripped or fuse blown.
2. Wiring broken, disconnected,
or corroded.
3. Motor brushes worn/at fault.
4. Potentiometer/circuit board at
fault.
5. ON/OFF switch at fault.
6. Motor at fault.
1. Feed rate too fast.
2. Tool undersized for task.
3. Improper workpiece material.
4. Belt too loose/has oil on it.
Pulley slipping on shaft.
5. Motor overheated.
6. Motor brushes worn/at fault.
1. Motor or component loose.
2. Chuck or bit at fault.
3. Belt worn, loose, or pulleys
misaligned.
4. Motor fan rubbing on fan cover.
5. Spindle bearings or spindle at
fault.
6. Motor bearings at fault.
Solution
1. Reset circuit breaker or
replace fuse.
2. Fix broken or disconnected/
corroded connections (Page
28).
3. Replace brushes (Page 25).
4. Replace potentiometer/
circuit board.
5. Replace switch.
6. Test/repair/replace.
1. Reduce feed rate (Page 19).
2. Use correct bit; reduce
feed rate; use cutting fluid if
necessary.
3. Use proper material type.
4. Tighten/clean belt. Tighten
loose pulley.
5. Clean motor, let cool, and
reduce workload.
6. Replace brushes (Page 25).
1. Replace damaged or miss-
ing bolts/nuts or tighten.
2. Replace unbalanced chuck;
replace/resharpen bit; use
correct feed rate.
3. Inspect/realign/replace belt
(Page 19).
4. Fix/replace
replace loose/damaged fan.
5. Test by rotating
dle; grinding/loose shaft
requires bearing replace-
ment. Replace spindle.
6. Test by rotating shaft; grind-
ing/loose shaft
replacement.
Model T32006 (Mfd. Since 01/20)
fan cover;
spin-
requires