Section 7: Service; Troubleshooting - Grizzly G0505 Owner's Manual

SECTION 7: SERVICE

Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical
Support at (570) 546-9663.
Motor & Electrical
Symptom Possible Cause
Machine does not 1. Switch disabling key removed.
start or a breaker
2. Power supply switched OFF or at fault.
trips.
3. Plug/receptacle at fault/wired wrong.
4. Wall circuit breaker tripped.
5. Wiring open/has high resistance.
6. Motor brushes at fault.
7. Motor ON/OFF switch at fault.
8. Motor at fault.
Machine stalls or is 1. Workpiece
underpowered.
machine.
2. Belt slipping.
3. Plug/receptacle at fault.
4. Motor brushes at fault.
5. Pulley slipping on shaft.
6. Motor bearings at fault.
7. Motor overheated.
8. Motor at fault.
Machine has 1. Motor or component loose.
vibration or noisy
operation.
2. Knives at fault.
3. Belt worn or damaged.
4. Pulley loose.
5. Incorrectly mounted to workbench.
6. Motor mount loose/broken.
7. Motor bearings at fault.
8. Chip deflector or dust hood loose or
damaged.
Model G0505 (Mfg. since 4/04)

Troubleshooting

material not suitable for
Possible Solution
1. Install switch disabling key.
2. Ensure power supply is on/has correct voltage.
3. Test for good contacts; correct the wiring.
4. Ensure circuit size is correct/replace weak breaker.
5. Check/fix broken, disconnected, or corroded wires.
6. Remove/replace brushes (Page 23).
7. Replace switch.
8. Test/repair/replace.
1. Only plane natural wood; ensure moisture is below
20%.
2. Replace belt (Page 28).
3. Test for good contacts/correct wiring.
4. Remove/replace brushes (Page 23).
5. Replace loose pulley/shaft.
6. Test/repair/replace.
7. Clean motor, let cool, and reduce workload.
8. Test/repair/replace.
1. Inspect/replace damaged bolts/nuts, and re-tighten
with thread locking fluid.
2. Resharpen/replace knives; set knife alignment/
height correctly.
3. Inspect/replace belt.
4. Realign/replace shaft, pulley, setscrew, and key.
5. Adjust feet, shim, or tighten mounting hardware.
6. Tighten/replace.
7. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
8. Properly re-install/replace.
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