Southbend SB1231 Lathe User Manual


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Troubleshooting
Symptom Possible Cause Possible Solution
Thechuckhas
hardspotsorbinds
completely.
1.
Jawisinapoorpositionfor
clamping.
1.
Re-installjawsformaximumengagementwithjaw
slotandjawscrew.
2.
Lackoflubrication,rust,burr,or
metalshavingsinsideofchuck.
2.
Disassemble,de-burr,clean,andlubricatechuck.
3.
Brokentoothonthejaworthejaw
screw.
3.
Disassemblechuckandrepair/replacebrokenpart.
Theworkpieceslips
inthejaws.
1.
Incorrectjaworworkpiececlamping
position.
1.
Re-installjawsformaximumengagementwithjaw
slotandjawscrew.
2.
Chuckisbindingbeforefull
clampingforceisachieved,orajaw
orjawscrewisbinding.
2.
Chuckisloadedupwithcontaminants.Disassemble
andservicechuck.Loosenandretightenthechuck
keyseveraltimestodistributelubricant.
3.
Cuttingoverload.
3.
Reduce cutting depth or feed rate.
Clamping accuracy
ispoor.
1.
Workpieceimproperlyclampedor
workpieceismisaligned.
1.
Removejaws,clean,de-burr,andre-install;verify
accuracyandrecalibratetest/dialindicator.
2.
Chuckloose;mountingisoff-center,
orisimproperlyseated.
2.
Removechuck,cleanandde-burrmounting;adjust
camlockstuds,andre-installchuck.
Parts List
Please Note: We included this parts breakdown for service purposes only. Since many of the parts shown are machined to
each individual chuck, they may not be available as replacement items.
Parts Diagram
REF PART # DESCRIPTION
1 PSB1231001 REVERSIBLE CHUCK JAW
2 PSB1231002 CHUCK BODY
3 PSB1231003 JAW SCREW
4 PSB1231004 JAW SCREW PIN
5 PSS02 SET SCREW 5/16-18 X 3/8
6 PSB1231006 CHUCK KEY
7 PSB1231007 D1-8 CAMLOCK STUD
8 PCAP09 CAP SCREW 5/16-18 x 5/8
6
3
2
1
5
8
7
4
If you need help with your new chuck,
contact us at:
PHONE: (360) 734-1540
FAX: (360) 676-1075 (International)
FAX: (360) 734-1639 (USA Only)
EMAIL: sales@southbendlathe.com
-8-
Mfg.Since5/10
Model SB1231
INSTRUCTIONS
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