Woodstock M1099 manual Fg\iXk`feXeNfibI\jlckj

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Lathe vibrates	1.	Workpiece is unbalanced.	1.	Reinstall workpiece so it is centered.
excessively.	2.	Worn or broken gear present.	2.	Inspect gears and replace if necessary.

3.Chuck or faceplate has become unbalanced. 3. Rebalance chuck or faceplate; contact a local machine shop for help.

	4.	Spindle bearings at fault.	4.	Tighten or replace spindle bearings.
Cutting tool	1.	Tool holder not tight enough.	1.	Check for debris, clean, and retighten.
vibrates exces-	2.	Cutting tool sticks too far out of tool holder;	2.	Reinstall cutting tool so no more than 1/3 of the
sively during cut-		lack of support.		total length is sticking out of tool holder.
ting.	3.	Gibs are out of adjustment.	3.	Tighten gib screws at affected component.
	4.	Dull cutting tool.	4.	Replace or re-sharpen cutting tool.
	5.	Incorrect spindle speed or feed rate.	5.	Use the recommended spindle speed.
Can't remove	1.	Quill had not retracted all the way back into	1.	Turn the quill handwheel until it forces taper out
tool from		the tailstock.		of quill.
tailstock.
Cross slide, com-	1.	Gibs are out of adjustment.	1.	Tighten gib screw(s).
pound rest, or	2.	Handwheel is loose.	2.	Tighten handwheel fasteners.
carriage feed has	3.	Lead screw mechanism worn or out of	3.	Tighten any loose fasteners on lead screw mecha-
lash.		adjustment.		nism.
Cross slide, com-	1.	Gibs are loaded up with shavings or grime.	1.	Remove gibs, clean ways/dovetails, lubricate, and
pound rest, or				readjust gibs.
carriage feed	2.	Gib screws are too tight.	2.	Loosen gib screw(s) slightly, and lubricate
handwheel is				bedways.
hard to move.	3.	Backlash setting too tight (cross slide only).	3.	Slightly loosen backlash setting by loosening the
				locking screw and adjusting the spanner ring at
				the end of the handle.
	4.	Bedways are dry.	4.	Lubricate bedways and handles.
Bad surface fin-	1.	Wrong RPM or feed rate.	1.	Adjust RPM and feed rate.
ish.	2.	Dull tooling or poor tool selection.	2.	Sharpen tooling or select a better tool for the
				intended operation.
	3.	Too much play in gibs.	3.	Tighten gibs.
	4.	Tool too high.	4.	Lower the tool position.
Inaccurate turn-	1.	Headstock and tailstock are not properly	1.	Realign the tailstock to the headstock spindle bore
ing results from		aligned with each other.		center line.
one end of the
workpiece to the
other.
Carriage won't	1.	Gears are not all engaged or broken.	1.	Adjust gear positions or replace.
feed, or is hard	2.	Gibs are too tight.	2.	Loosen gib screw(s) slightly.
to move.	3.	Loose screw on the feed handle.	3.	Tighten.
	4.	Lead screw shear pin has sheared.	4.	Correct for cause of shear pin breakage, and
				replace shear pin.

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