Section 7: Service; Troubleshooting - Grizzly T33306 Owner's Manual

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section if a problem develops with your tool.
If you need replacement parts or additional help with a procedure, call our Technical Support.
Motor & Electrical
Symptom
Tool does not start.
Tool stalls or is
underpowered.
Tool has vibration
or noisy operation.
-22
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Troubleshooting

Possible Cause
1. Battery charge low.
2. Wiring broken, discon-
nected, or corroded.
3. Start/Stop switch
fault.
4. Circuit board at fault.
5. Motor or motor bearings
at fault.
1. Battery charge low.
2. Circuit board at fault.
3. Excessive sanding pres-
sure.
4. Tool undersized for task.
5. Motor overheated.
6. Motor or motor bearings
at fault.
1. Motor or components
loose.
2. Workpiece loose.
3. Backing pad loose or
damaged.
4. Spindle loose or dam-
aged.
5. Motor bearings at fault.
Solution
1. Charge battery (Page 10); verify
charger is working using volt meter
if battery does not charge.
2. Fix broken wires or disconnected/
corroded connections.
at 3. Replace Start/Stop switch.
4. Inspect/replace if at fault.
5. Replace motor.
1. Charge battery (Page 10); verify
charger is working using volt meter
if battery does not charge.
2. Inspect/replace if at fault.
3. Reduce
(Page 16).
4. Reduce
(Page 16).
5. Clean motor, let cool, and reduce
workload. Do not clean motor with
compressed air.
6. Replace motor.
1. Inspect/tighten all bolts/knobs.
2. Secure workpiece.
3. Tighten loose pad, replace dam-
aged pad (Page 19).
4. Tighten spindle, replace damaged
spindle.
5. Remove backing pad (Page 19)
and rotate backing pad mounting
nut; rotational grinding/loose shaft
requires bearing replacement.
Model T33306 (Mfd. Since 11/22)
sanding pressure
sanding pressure