Grizzly G3358 owner manual Fan

Motor & Electrical (Continued)

Symptom	Possible Cause		Possible Solution
Machine has	1.	Motor or component is loose.	1.	Inspect/replace stripped or damaged bolts/nuts,
vibration or noisy				and re-tighten with thread locking fluid.
operation.	2.	V-belts are slapping belt cover; are worn or	2.	Replace/re-tension V-belts.
		loose.
	3.	Belt pulley is loose.	3.	Replace shaft, pulley, setscrew, and key as
				required.
	4.	Motor mount loose/broken.	4.	Tighten/replace.

5.Machine is incorrectly mounted or sits 5. Tighten/replace mounting bolts in bench; relocate/

	unevenly.		shim machine.
6.	Workpiece is loose.	6.	Use the correct holding fixture and re-clamp
			workpiece.
7.	Motor fan is rubbing on fan cover.	7.	Replace dented fan cover; replace loose/damaged
			fan.
8.	Cutter is at fault.	8.	Replace out-of-round cutter; replace/resharpen
			cutter; use appropriate feed rate and cutting RPM.
9.	Bit is chattering.	9.	Replace/sharpen bit; index bit to workpiece; use
			appropriate feed rate and cutting RPM.
10.	Motor bearings are at fault.	10.	Test by rotating shaft; rotational grinding/loose shaft
			requires bearing replacement.

G3358 Milling/Drilling Machine -31-