Grizzly G1005Z owner manual Operation, Symptom Possible Cause Possible Solution

Symptom	Possible Cause		Possible Solution
Machine has	1.	Motor or component is loose.	1.	Inspect, replace for damaged bolts/nuts and retight-
vibration or noisy				en with thread locking fluid.
operation.	2.	Belts are slapping belt cover.	2.	Replace/realign belts with a new matched set, and
				retension belts (refer to Page 23).
	3.	V-belt(s) is worn or is loose.	3.	Replace belts.
	4.	Motor fan is rubbing on fan cover.	4.	Replace/repair dented fan cover, and replace loose
				or damaged fan.
	5.	Pulley is loose.	5.	Remove pulley, replace with key as required, and
				re-install securely.
	6.	Machine is incorrectly mounted to the bench,	6.	Make sure bench mounting hardware is tight; place
		or the bench is uneven.		shims under machine.
	7.	Chuck or cutter is at fault.	7.	Replace out-of-round chuck, replace or resharpen
				cutter, use appropriate feed rate and cutting RPM.
	8.	Motor bearings are at fault.	8.	Check bearings, replace motor or bearings as
				required.
	9.	Spindle bearings at fault.	9.	Replace bearing.

Operation

Symptom				Possible Cause		Possible Solution
Milling /drilling				1.	The belt is loose or worn.	1.	Replace and/or adjust the belt.
stops,		but	the	2.	The pulley for the spindle shaft or the motor is	2.	To resecure the pulley:
motor		still	oper-		slipping on the shaft.		a. UNPLUG THE MILL/DRILL!
ates.
							b. Remove nut and slipping pulley.
							c. Clean all dust, grit and debris from the pulley
							arbor.
							d. Warm the pulley and nut so that they slide back
							onto the pulley arbor.
							e. Tighten the nut.
				3.	Drill bit slips in chuck.	3.	Tighten bit; inspect bit for burrs or other obstructions
							that might interfere with clamping surface.
Chuck,		arbor or		1.	Foreign material is stuck between the arbor-to-	1.	Remove the chuck and clean and de-burr the
tooling		wobbles			spindle mating surface.		tapered chuck and spindle mating surfaces, then
or is loose on the							reassemble.
spindle shaft.
				2.	Damaged tooling or chuck.	2.	Replace.
The spindle does				1.	The quill shaft is gummy with sawdust and oil.	1.	Clean the gummy substance with penetrating oil and
not	retract		com-				lubricate with a light coat of oil.
pletely		in	the	2.	The feed shaft return spring is weak.	2.	Increase the feed shaft return spring tension as
uppermost			posi-				described on Page 30.
tion or it binds.
				3.	The quill deflection screw is binding the quill.	3.	Loosen jam nut, and slightly turn out screw where
							the quill binds. Retighten jam nut and recheck for
							binding and looseness at all spindle locations.
The	quill		has	1.	The quill shaft is at fault.	1.	Adjust the quill screw.
excessive deflec-				2.	The quill and/or bearings are worn.	2.	Replace the quill and/or bearings.
tion.

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