Southbend SB1224 Saw User Manual


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Maintenance
A chuck can only achieve its maximum clamping
force when its internal components are clean and
well lubricated.
During operation, centrifugal force displaces
and thins the lubricant inside the chuck, forcing
it out over time. If the chuck is exposed to
cutting fluid, this process happens even faster. If
maintenance is not followed daily, the chuck will
lose its internal lubrication and collect cutting
fluid sludge, rust, and metal chips—which can
cut the maximum chuck clamping force in half!
A chuck with reduced clamping force has a much
higher risk of losing its grip during operation and
throwing the workpiece with deadly force.
Items Needed Qty
Hex Wrench Set (Metric) ......................................1
High Resolution Caliper 8" ...................................1
Crocus Cloth & Wire Brush ............................ 1 Ea
Diamond Hone or Dressing Stones ...........Various
Files & Thread Chasing Tools ...................Various
Mineral Spirits and Cotton Rags ...... As Required
Calibrated Torque Wrench ..................................1
Stiff 1" Brush for Applying Grease ......................1
Oil ........................South Bend Way Oil #SB1365
Chuck Grease ............................. Bison #7-799-025
(or Equiv. Moly-Disulphide Chuck Grease)
Chuck Service
• Check/correctloosemountingbolts.
• Use a vacuum, rag, or brush to clean the
chuck after use.
• Wipedowntheoutsideofthechuckwitha
light machine oil or way oil.
Daily Maintenance
Regular Lubrication
Recommended Lubricant
Chuck Grease ............................. Bison #7-799-025
(or Equiv. Moly-Disulphide Chuck Grease)
Oil ........................South Bend Way Oil #SB1365
Lubricate the scroll thread and jaw slides
regularly, using either chuck grease or way oil.
To lubricate, remove and clean the jaws, clean
chips off the scroll gear if necessary, then re-
install the jaws and apply lubricant to the scroll
gear and jaw sliding surfaces. Move the jaws in
and out to distribute the lubricant.
Chuck grease provides superior lubrication and
clamping force; its drawback is that chips easily
stick to it and get drawn into the chuck, leading
to binding and reduced clamping force.
Way oil is a good alternative lubricant to reduce
the amount of chips that stick to the chuck;
its drawback is a reduction of clamping force,
making it a poor choice for heavy clamping loads.
To avoid damage when servicing the chuck:
• Onlyclampchuckpartsinaviseequipped
withsoftjawsorwood/aluminumblocks.
• Neveruseanopenameonchuckparts!
• Neverstrikethechuckwithasteelhammer.
Insteaduseabrasshammerorsoftmallet.
• Neverapplyforcetostuckcomponentsif
youareunsureabouthowtheyarefastened
together.Refertotheinstructions.
• Whenseparatingorremovingmated
components,donotattempttopryorwedge
themapart.Instead,patientlytapthemat
variouslocationswithabrasshammeror
malletwhilerotatingandpullingonthem.
• Ifthescrollgearorretainerisstuck,soak
partsinpenetratingoilorsolvent(overnight
ifneeded)tobreakdowngreasesuction,then
carefullyrotate,lift,andtapitloose.
Properchuckservicerequiresfulldisassembly,
cleaning,andlubrication.Performthisservice
everysixmonths,ormorefrequentlyifthechuck
isexposedtodirtyworkenvironments,heavy
workloads,orcuttingfluid.
Mfg. Since 1/11 Model SB1224
-7-
INSTRUCTIONS
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