Grizzly G0694 - Manual (Page 41)

Model G0694 (Mfg. Since 10/09)
-39-
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.
SEcTION 7: SERVIcE
Troubleshooting
Motor & Electrical
symptom possible Cause possible solution
Machine does not
start or a breaker
trips. 1. emergency stop push-button is engaged/
faulty.
2. Motor on button at fault.
3. power supply switched oFF or at fault.
4. plug/receptacle at fault/wired wrong.
5. Motor connection wired incorrectly.
6. spindle direction switch is at fault.
7. speed dial is at fault.
8. Wiring is open/has high resistance.
9. inverter at fault.
10. Motor is at fault.
1. rotate button to reset/replace it.
2. replace button.
3. ensure power supply is on/has correct voltage.
4. test for good contacts; correct the wiring.
5. Correct motor wiring connections.
6. replace faulty spindle direction dial.
7. replace bad speed dial.
8. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
9. inspect inverter; replace if faulty.
10. test/repair/replace.
Machine stalls or is
underpowered. 1. Feed rate/cutting speed incorrect or task.
2. Workpiece material not suitable for
machine.
3. Belt slipping.
4. Motor wired incorrectly.
5. plug/receptacle at fault.
6. pulley slipping on shaft.
7. Motor bearings are at fault.
8. Machine is undersized for the task.
9. Motor has overheated.
10. speed switch at fault.
11. Motor is at fault.
1. decrease feed rate/increase speed.
2. only cut wood/ensure moisture is below 20%.
3. re-tension or replace bad belt (see Page 42).
4. Wire motor correctly (see Page 48).
5. test for good contacts/correct wiring.
6. replace loose pulley/shaft.
7. test/repair/replace.
8. Use sharp lathe bits and chisels; reduce the feed
rate/depth of cut.
9. Clean off motor, let cool, and reduce workload.
10. replace bad speed switch.
11. test/repair/replace.
Machine has
vibration or noisy
operation. 1. Motor or component is loose.
2. Belt worn or loose.
3. Motor fan is rubbing on fan cover.
4. pulley is loose.
5. Machine is incorrectly mounted or sits
unevenly on floor.
6. Motor mount loose/broken.
7. Workpiece, center, or faceplate is at fault or
mounted incorrectly.
8. Motor bearings are at fault.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. inspect/replace belt (see Pages 41–42).
3. replace dented fan cover; replace loose/damaged
fan.
4. replace shaft, pulley, setscrew, and key as
required.
5. tighten/replace anchor studs in floor; relocate/shim
machine.
6. tighten/replace.
7. Center workpiece on faceplate; reduce rpM; replace
defective center or faceplate.
8. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.