Section 7: Service; Troubleshooting - Grizzly G0561 Owner's Manual

SECTION 7: SERVICE

Review the troubleshooting and 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 start 1. Plug/receptacle is at fault/ wired incorrectly.
or a breaker trips.
2. Power supply is at fault/switched OFF.
3. Motor wired incorrectly.
4. Start capacitor is at fault.
5. Wall fuse/circuit breaker is blown/tripped.
6. Motor ON/OFF switch is at fault.
7. Wiring open/has high resistance.
8. Motor is at fault.
Machine stalls or is 1. Wrong blade for workpiece material.
underpowered.
2. Wrong workpiece material.
3. Feed rate/cutting speed too fast for task.
4. Blade is slipping on wheels.
5. Low power supply voltage.
6. Motor bearings are at fault.
7. Plug/receptacle is at fault.
8. Motor connection is wired incorrectly.
9. Motor has overheated.
10. Motor is at fault.
Machine has vibration 1. Motor fan is rubbing on fan cover.
or noisy operation.
2. Blade is at fault.
3. Gearbox is at fault.
4. Wrong blade and/or speed too slow.
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Troubleshooting

Possible Solution
1. Test for good contacts; correct wiring.
2. Ensure hot lines have correct voltage on all
legs and main power supply is switched ON.
3. Correct motor wiring.
4. Test/replace.
5. Ensure correct size for machine load; replace
weak breaker.
6. Replace faulty ON/OFF switch.
7. Check/fix broken, disconnected, or corroded
wires.
8. Test/repair/replace.
1. Use blade with correct properties for your type
of cutting.
2. Use metal with correct properties for your type
of cutting.
3. Decrease feed rate/cutting speed.
4. Adjust blade tracking and tension.
5. Ensure hot lines have correct voltage on both
legs.
6. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
7. Test for good contacts; correct the wiring.
8. Correct motor wiring connections.
9. Clean off motor, let cool, and reduce
workload.
10. Test/repair/replace.
1. Replace dented fan cover; replace loose/
damaged fan.
2. Replace/resharpen blade.
3. Rebuild gearbox for bad gear(s)/bearing(s).
4. Change blade and/or speed.
Model G0561 (Mfd. Since 01/08)