Section 7: Service; Troubleshooting - Grizzly G0580 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 at (570) 546-9663.
Note: Please gather the serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom Possible Cause
Machine 1. Switch disabling key removed.
does not
2. Power supply is at fault/switched OFF.
start or a
breaker trips.
3. Plug/receptacle is at fault or wired incorrectly.
4. Wiring is open/has high resistance.
5. Motor connection wired incorrectly.
6. Start capacitor is at fault (115V only).
7. Motor ON/OFF switch is at fault.
8. Centrifugal switch is at fault.
Machine 1. Incorrect workpiece material.
stalls or is
underpowered.
2. Feed rate too fast for task.
3. V-belt slipping.
4. Motor connection is wired incorrectly.
5. Plug/receptacle is at fault.
6. Motor bearings are at fault.
7. Motor has overheated.
8. Motor is at fault.
9. Centrifugal switch is at fault.
Machine 1. Motor or component is loose.
has
vibration or
2. V-belt worn or loose.
noisy operation.
3. Motor fan is rubbing on fan cover.
4. Pulley is loose.
5. Machine is incorrectly mounted or sits
unevenly on floor.
6. Blade is at fault.
7. Cast iron motor mount loose/broken.
8. Centrifugal switch is at fault.
9. Motor or spindle bearings are at fault.
Model G0580 (Mfd. Since 11/06)

Troubleshooting

Possible Solution
1. Install switch disabling key.
2. Ensure hot lines have correct voltage on all
legs and main power supply is switched ON.
3. Test for good contacts; correct the wiring.
4. Check for broken wires or disconnected/
corroded connections, and repair/replace as
necessary.
5. Correct motor wiring connections (Page 54).
6. Test/replace.
7. Replace faulty ON/OFF switch.
8. Adjust/replace centrifugal switch.
1. Use wood with correct moisture content (20%
or less), without glues, and little pitch/resin.
2. Decrease feed rate.
3. Tighten/repair/replace (Pages 47 and 48).
4. Correct motor wiring connections (Page 54).
5. Test for good contacts; correct the wiring.
6. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
7. Clean off motor, let cool, and reduce workload.
8. Test/repair/replace.
9. Adjust/replace centrifugal switch.
1. Inspect/replace stripped or damaged bolts/
nuts, use thread locking fluid, and retighten.
2. Tension V-belt (Page 47) or replace V-belt
(Page 48).
3. Replace dented fan cover; replace damaged fan.
4. Tighten pulley set screw.
5. Adjust stand feet.
6. Replace blade.
7. Tighten/replace.
8. Adjust/replace centrifugal switch..
9. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
-45-