Grizzly H2669 owner manual Service, Troubleshooting

SECTION 6: SERVICE

Review the troubleshooting tips and procedures in this section to fix your machine if a problem develops. If you need replacement parts or are unsure of your repair skills, feel free to call our Technical Support staff at (570) 546-9663 for assistance.

Troubleshooting

SYMPTOM		POSSIBLE CAUSE		CORRECTIVE ACTION
Vibration noise while	1.	The rotating drill chuck is contacting	1.	Remove drill from headstock. Reposition drill cor-
machine is running; noise		the headstock assembly.		rectly in headstock and tighten.
changes when speed is	2.	The drill is damaged.	2.	Remove drill from headstock. Restart the drill. If the
changed.				vibration noise continues, the drill may be damaged.
Vibration noise is constant	1.	The lathe bed mounting screws are	1.	Tighten mounting screws. If a through mount has not
while machine is running at		loose.		been used, consider remounting as shown on Page
different speeds.				10.
Extreme vibration.	1.	Lathe bed `mounted on an uneven	1.	Mount on an even work surface.
		surface.
	2.	Workpiece mounted incorrectly.	2.	Remount workpiece, making sure that centers are
				embedded in true center of workpiece.
	3.	Workpiece warped, out of round, or	3.	Do not use the workpiece; balance workpiece by
		is flawed.		turning down unbalanced areas.
	4.	Workpiece is brushing against the	4.	Unplug the drill from power and hand turn the piece
		lathe bed.		one full rotation. If the workpiece hits the bed, it
				exceeds the maximum swing depth and it cannot be
				turned without modification.
	5.	The tailstock live center bearing is	5.	These bearings are sealed in the live center assem-
		worn.		bly. Replace live center assembly.
Chisels grab or dig into	1.	Toolrest set too low or too far from	1.	Read instructions on toolrest positioning on Page 15,
workpiece.		the workpiece.		then re-adjust toolrest.
			2.	Use the correct chisel/tool; educate yourself by read-
	2.	Wrong chisel/tool being used.		ing books, trade magazines, or seeking help from an
				experienced lathe operator.
	3.	Chisel/tool dull.	3.	Sharpen or replace the chisel/tool you are using.
Bad surface on workpiece	1.	Wrong drill speed.	1.	Use trial-and-error to find a better drill speed.
after turning.	2.	Dull chisel or wrong chisel used.	2.	Sharpen chisel or try a different chisel.
Turning results vary along	1.	Headstock and tailstock are not in	1.	To check alignment, move the tailstock forward until
length of workpiece.		alignment.		the tip of the live center touches the spur center. The
				point of contact should be the center of each.
Tailstock moves.	1.	Tailstock mounting bolt is loose.	1.	Tighten the bolt.
	2.	Workpiece is too tight in tailstock.	2.	Apply less clamping pressure with tailstock.
	3.	Excess lubricant on lathe bed.	3.	Remove excess with a clean rag.

H2669 Hobby Lathe -19-