Grizzly G0632 owner manual Service, Troubleshooting

Troubleshooting

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.

Troubleshooting

Motor & Electrical

Symptom		Possible Cause		Possible Solution
Machine	does not	1.	Emergency stop push-button is engaged/	1.	Rotate clockwise slightly until it pops out/replace it.
start or	a breaker		faulty.
trips.		2.	Motor connection wired incorrectly.	2.	Correct motor wiring connections.
		3.	FWD/REV switch is at fault.	3.	Replace faulty FWD/REV switch.
		4.	Speed rotary switch is at fault.	4.	Replace bad speed rotary switch.
		5.	Wiring is open/has high resistance.	5.	Check for broken wires or disconnected/corroded
					connections, and repair/replace as necessary.
		6.	Motor is at fault.	6.	Test/repair/replace.
		7.	Frequency inverter is at fault.	7.	Replace.
Machine stalls or is		1.	Feed rate/cutting speed too fast for task.	1.	Decrease feed rate/cutting speed.
underpowered.		2.	Belt slipping.	2.	Replace bad belt and re-tension (see Page 38).
		3.	Motor connection is wired incorrectly.	3.	Correct motor wiring connections.
		4.	Pulley slipping on shaft.	4.	Replace loose pulley.
		5.	Motor bearings are at fault.	5.	Test by rotating shaft; rotational grinding/loose shaft
					requires bearing replacement.
		6.	Machine is undersized for the task.	6.	Use sharp lathe bits and chisels; reduce the feed
					rate/depth of cut.
		7.	Motor has overheated.	7.	Clean off motor, let cool, and reduce workload.
		8.	Speed rotary switch at fault.	8.	Replace bad speed rotary switch.
		9.	Motor is at fault.	9.	Test/repair/replace.
Machine	has vibra-	1.	Motor or component is loose.	1.	Inspect/replace stripped or damaged bolts/nuts, and
tion or noisy opera-					re-tighten with thread locking fluid.
tion.		2.	Belt worn or loose.	2.	Inspect/replace belts (see Page 38).
		3.	Motor fan is rubbing on fan cover.	3.	Replace dented fan cover; replace loose/damaged
					fan.
		4.	Pulley is loose.	4.	Replace shaft, pulley, setscrew, and key as
					required.
		5.	Machine is incorrectly mounted or sits	5.	Tighten/replace anchor studs in floor; relocate/shim
			unevenly on floor.		machine.
		6.	Motor mount loose/broken.	6.	Tighten/replace.
		7.	Workpiece, center, or faceplate is at fault.	7.	Center workpiece in center or faceplate; reduce
					RPM; replace defective center or faceplate.
		8.	Motor bearings are at fault.	8.	Test by rotating shaft; rotational grinding/loose shaft
					requires bearing replacement.

G0632 16" x 42" Variable Speed Wood Lathe -37-