Southbend SB1001 owner manual Trou B Leshooti NG

Model SB1001 8K™ Lathe TROU B LESHOOTI NG For Machines Mfg. Since 8/11

Symptom

Possible Cause

Possible Solution

Tapered tool	1.	Quill is not retracted all the way	1.	Turn the tailstock handwheel until it forces the
difficult to remove		back into the tailstock.		tapered tool out of quill.
from tailstock quill.	2.	Contaminants not removed from	2.	Clean the taper and bore and re-install tapered tool.
		taper before inserting into quill.
Cross slide,	1.	Gibs are out of adjustment.	1.	Adjust gib screws (see Page 54).
compound, or	2.	Ways are loaded with grime or	2.	Clean the ways and re-lubricate.
carriage feed has
		chips.
sloppy operation.
	3.	Leadscrew mechanism worn or out	3.	Replace leadscrew and nut.
		of adjustment.
Cross slide, or	1.	Dovetail slides loaded with	1.	Remove gibs, clean ways/dovetails, lubricate, and
compound rest ball		shavings, dust, or grime.		re-adjust gibs.
handle is hard to	2.	Gib screws are too tight.	2.	Loosen gib screws slightly (see Page 54).
move.
	3.	Bedways are dry.	3.	Lubricate bedways (see Page 52).
Carriage will not	1.	Carriage lock is tight.	1.	Check to make sure the carriage lock is loose.
feed or is hard to	2.	Chips have loaded up on bedways.	2.	Frequently clean away chips that load up during
move.				turning operations.
	3.	Bedways are dry and in need of	3.	Lubricate bedways and handles.
		lubrication.
	4.	Gibs are too tight.	4.	Loosen gib screw(s) slightly (see Page 54).
	5.	Gears broken.	5.	Replace gears.
Cutting tool	1.	Tool holder not tight enough.	1.	Check for debris, clean, and retighten.
or machine	2.	Cutting tool sticks too far out of tool	2.	Re-install cutting tool so no more than 1⁄3 of the total
components vibrate		holder; lack of support.		length is sticking out of tool holder.
excessively during
	3.	Gibs are out of adjustment.	3.	Adjust gib screws at affected component (see Page
cutting.
				54)
	4.	Dull cutting tool.	4.	Replace or resharpen cutting tool.
	5.	Incorrect spindle speed or feed rate.	5.	Use the recommended spindle speed.
Workpiece is	1.	Spindle and tailstock centerlines	1.	Realign the tailstock to the headstock spindle bore
tapered.		are not properly aligned with each		centerline (see Page 31).
		other.
Chuck jaws will	1.	Chuck needs lubrication.	1.	Remove jaws, then clean and lubricate all surfaces.
not move or do not	2.	Chips lodged in the jaws or scroll	2.	Remove jaws, clean and lubricate scroll plate, then
move easily.		plate.		replace jaws.
Gearbox change	1.	Gears not aligned inside headstock.	1.	Rotate spindle by hand with light pressure on the
levers will not shift				lever until gear falls into place.
into position.

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