Southbend SB1314 instruction sheet Troubleshooting, Parts Diagram Parts List

Model SB1314 I N S T R U C T I O N S Mfg. Since 3/10

Troubleshooting

If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540.

Symptom

Possible Cause

Possible Solution

The chuck has	1.	Jaw is in wrong position.	1.	Reinstall jaws in correct order and position on scroll
hard spots or binds				gear.
completely.	2.	Lack of lubrication, rust, burrs, or	2.	Disassemble, de-burr, clean, and lubricate chuck.
		metal shavings inside of chuck.
	3.	Broken tooth on the pinion or the	3.	Disassemble, replace broken parts if possible, and
		scroll gear.		reassemble chuck.
The workpiece slips	1.	Incorrect jaw or workpiece clamping	1.	Reposition jaws and workpiece for maximum scroll
in the jaws.		position.		gear and jaw engagement is achieved.
	2.	Insufficient pinion and scroll gear	2.	Tighten chuck key to 65 ft/lbs.
		torque.
	3.	Cutting overload.	3.	Reduce cutting depth or feed rate.
	4.	Chuck is binding before full	4.	Disassemble and service/rebuild chuck.
		clamping is achieved.
Clamping accuracy	1.	Workpiece is improperly clamped or	1.	Remove jaws, clean, de-burr, and re-install with jaw
is poor.		jaw is loose or incorrectly seated.		mounting caps crews torqued to 29 ft/lbs.
	2.	Chuck loose, mounting is off center,	2.	Remove chuck, clean and de-burr mounting, and re-
		or it is improperly seated.		install, or machine a new mounting plate.

Parts Diagram

3

4
7	8
5
6	9
17
16	10
15
14	1
13	11
2	12

Parts List

REF	PART #	DESCRIPTION
1	PSB1314001	GREASE FITTING
2	PSB1314002	TOP JAW
3	PCAP33M	CAP SCREW M5-.8 X 12
4	PSB1314004	BACK COVER
5	PSB1314005	LOCK PIN
6	PSB1314006	PINION
7	PSB1314007	SCROLL GEAR
8	PSB1314008	CHUCK KEY W/SPRING
9	PSB1314009	COMPRESSION SPRING
10	PCAP171M	CAP SCREW M10-1.5 X 80 BLK C12.9
11	PCAP172M	CAP SCREW M8-1.25 X 20 BLK C12.9
12	PAW08M	HEX WRENCH 8MM
13	PSB1314013	BOTTOM JAW SET OF 3
14	PSB1314014	CHUCK BODY
15	PB174M	HEX BOLT M10-1.5 X 35 BLK C12.9
16	PSS108M	SET SCREW M12-1.75 X 10
17	PSB1314017	FLANGE PIN

Please Note: We included this breakdown for service purposes only. Since many of the parts shown are machined to each individual chuck, they are not available as replacement items.

Copyright © March, 2010 By South Bend Lathe Co. Revised February, 2011 (CR) WARNING: No portion of this manual may be reproduced in any shape or form without the written approval of South Bend Lathe Co.

#CR12663 Printed in Taiwan.

www.southbendlathe.com

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