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South Bend Tools SB1123, Owner'S Manual

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South Bend Tools SB1123 Owner'S Manual Download Page 86

-84-

For Machines Mfd. Since 7/21

South Bend Tools

Model SB1123

P A R T S

Machine Labels

The safety labels provided with your machine are used to make the operator aware of the 

machine hazards and ways to prevent injury. The owner of this machine MUST maintain the 

original location and readability of these safety labels. If any label is removed or becomes 

unreadable, REPLACE that label before using the machine again. Contact South Bend Lathe Co. at 

(360) 734-1540 or www.southbendlathe.com to order new labels.

REF

PART #

DESCRIPTION

REF

PART #

DESCRIPTION

501

PSB1123501

SOUTH BEND NAMEPLATE 203MM

506

PSB1123506

TABLE LOCK LEVER LABEL

502

PSB1123502

KEEP DOOR CLOSED LABEL

507

PSB1123507

UPPER WHEEL GUIDE NOTICE

503

PSB1123503

BLADE TENSIONER LABEL

508

PSB1123508

MODEL NUMBER LABEL

504

PSB1123504

ELEVATION LOCK KNOB LABEL

509

PSB1123509

COMBO WARNING LABEL

505

PSB1123505

ELECTRICITY LABEL

510

PSB1123510

MACHINE ID LABEL

Summary of Contents for SB1123

Page 1: ...A Tradition of Excellence South Bend Tools MODEL SB1123 24 71 2 HP BANDSAW OWNER S MANUAL September 2021 by South Bend Tools For Machines Mfd Since 7 21 V1 09 21...

Page 2: ...on is a process that happens through training and experience If you are not an experienced operator of this type of machinery read through this entire manual then learn more from an experienced operat...

Page 3: ...ntification 2 Description of Controls Components 3 Product Specifications 6 SAFETY 8 Understanding Risks of Machinery 8 Basic Machine Safety 8 Additional Bandsaw Safety 10 PREPARATION 11 Preparation O...

Page 4: ...el Panel Blade Blade Tracking Tracking Window Window Guide Post Guide Post Handwheel Handwheel Miter Miter Gauge Gauge Table Tilt Table Tilt Lock Handle Lock Handle Lower Wheel Lower Wheel Adjustment...

Page 5: ...g this machine read and understand this entire manual before beginning any operations Guide Post D Guide Post Handwheel Adjusts height of guide post above workpiece using a rack and pinion system E Gu...

Page 6: ...becomes absolutely necessary Lower Wheel Adjustment L Foot Brake When pedal is pressed brake shoe physically stops blade wheels and limit switch electronically turns motor OFF IMPORTANT After the foo...

Page 7: ...ng life of blade always release blade tension when saw is not in use W Tracking Control Knob Adjusts tilt position of upper wheel to set control blade tracking refer to Page 22 Like all machinery ther...

Page 8: ...ltage 220V Full Load Current Rating 20A at 220V 10A at 440V Minimum Circuit Size 30A at 220V 15A at 440V Connection Type Permanent Hardwire Power Cord Included No Plug Included No Switch Type Control...

Page 9: ...ng Position Front Fence is Adjustable for Blade Lead Yes Resaw Fence Attachment Included No Miter Gauge Included Yes Construction Materials Table Precision Ground Cast Iron Trunnion Cast Iron Fence Pr...

Page 10: ...e as follows Death or catastrophic harm WILL occur Moderate injury or re MAY occur Death or catastrophic harm COULD occur Machine or property damage may occur Basic Machine Safety Owner s Manual All m...

Page 11: ...by verifying that all fastening devices are properly secured and items attached to spindles have enough clearance to safely rotate Chuck Keys or Adjusting Tools Tools used to adjust spindles chucks o...

Page 12: ...ontrol To avoid risk of injury due to blade contact always allow blade to stop on its own DO NOT try to stop or slow blade with your hand or the workpiece Guards Covers Blade guards and covers protect...

Page 13: ...es 4 x2 Hose Clamps 4 x2 Machinist s Square Phillips Head Screwdriver 2 Hex Wrench 8mm The purpose of the preparation section is to help you prepare your machine for operation The list below outlines...

Page 14: ...20 Amps Note The circuit requirements in this manual are for a dedicated circuit where only one machine will be running at a time If this machine will be connected to a shared circuit where multiple...

Page 15: ...if you connect the machine to power before completing the setup process DO NOT connect to power until instructed later in this manual Circuit Requirements for 220V This machine is prewired to operate...

Page 16: ...izzly Tech Support at 570 546 9663 Items Needed Qty Phillips Head Screwdriver 1 440V Magnetic Switch Part PSB1123453 1 Wrench or Socket 6mm 1 To convert SB1123 to 440V operation 1 DISCONNECT MACHINE F...

Page 17: ...1 C Fence Rail 1 D Miter Gauge 1 E Open Ends Wrench 10 13mm 1 F Open Ends Wrench 17 19mm 1 G Hex Wrench 6mm 1 H Hex Wrench 5mm 1 I Eye Bolts M12 1 75 x 22 2 J Guide Post Handwheel 1 Figure Figure 11 B...

Page 18: ...t on safety glasses and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces...

Page 19: ...s covers as required by the maintenance and service described in this manual Physical Environment The physical environment where your machine is operated is important for safe operation and longevity...

Page 20: ...sure they are threaded all the way in then place lifting hooks through eye bolts see Figure 15 and lift bandsaw slowly with forklift just enough to clear pallet Figure 15 Lifting locations Figure 15 L...

Page 21: ...chine Base Concrete Lag Screw Lag Shield Anchor Flat Washer Drilled Hole Figure Figure 17 Popular method for anchoring machinery to Popular method for anchoring machinery to a concrete floor a concret...

Page 22: ...er equipment 2 Insert 4 hex bolts lock washers and flat washers see Figure 22 through holes in base of machine 3 Align hex bolts with threaded holes in riser blocks see Figure 22 and securely tighten...

Page 23: ...a good dust collection how to book To connect dust collection system to machine 1 Fit a 4 dust hose over each dust port and secure them in place with hose clamps see Figure 23 Note For best results co...

Page 24: ...saw adjustments achieving correct blade tension and cutting accurately Improper tracking reduces cutting accuracy causes excess vibrations and places stress on the blade and other bandsaw components T...

Page 25: ...proper tracking of the blade Fine tune tracking must be done with the bandsaw turned ON Refer to Page 28 for more information To adjust blade tracking 1 DISCONNECT MACHINE FROM POWER 2 Adjust upper an...

Page 26: ...person MUST perform this type of installation Power Source Locking Disconnect Switch Machine Conduit Conduit Figure Figure 28 Typical hardwire setup with a locking Typical hardwire setup with a lockin...

Page 27: ...of verifying the following Motor powers up and runs correctly OFF button works correctly Foot brake limit switch works correctly Upper door limit switch works correctly DO NOT start machine until all...

Page 28: ...ely and contact customer service for assistance Figure 31 Location of foot brake pedal Location of foot brake pedal Foot Brake Foot Brake Pedal Pedal 11 Make sure blade has fully stopped open upper wh...

Page 29: ...help you properly tension the blade Experience and personal preference will help you decide which method you prefer Note The tensioning done on the blade before the Test Run was an approximate tensio...

Page 30: ...lockwise to incrementally tension blade and repeat Step 5 until blade is properly tensioned 6 Adjust blade guides as described in Adjusting Blade Support Bearings and Adjusting Blade Guide Bearings on...

Page 31: ...orming this procedure see Tensioning Blade on Page 27 Tools Needed Qty Wrench or Socket 10mm 1 Feeler Gauge 0 016 1 To adjust support bearing 1 DISCONNECT MACHINE FROM POWER 2 Loosen support bearing a...

Page 32: ...port bearing behind the blade see Page 29 Blade Guide Bearing Blade Gullets Approximately 0 016 Figure 38 Blade guide bearing positioned just behind Figure 38 Blade guide bearing positioned just behin...

Page 33: ...p screws guide post cover removed for clarity cap screws guide post cover removed for clarity Guide Bearing Guide Bearing Adjustment Adjustment Cap Screws Cap Screws Note When the blade guide bearings...

Page 34: ...To ensure cutting accuracy the table should be aligned so that the miter slot is parallel to the bandsaw blade and that the table is perpendicular front to back to the blade These procedures work best...

Page 35: ...igning Fence To ensure cutting accuracy the fence should be aligned parallel with the blade This is achieved by aligning the fence to the miter slot after miter slot parallelism is properly adjusted a...

Page 36: ...ligned with the table the fence pointer must be calibrated to ensure accurate positioning of the fence on the scale To calibrate fence pointer 1 Make sure blade is properly tensioned see Page 27 2 DIS...

Page 37: ...h and evenly against both miter gauge face and blade side Note Sometimes the tightening procedure can affect the adjustment 6 Loosen screw that secures angle pointer adjust pointer to 0 mark on scale...

Page 38: ...ery careful to keep fingers away from blade and uses a push stick to feed narrow workpieces 9 Stops bandsaw To reduce the risk of serious injury when using this machine read and understand this entire...

Page 39: ...for the following Material Type This machine is intended for cutting natural and man made wood products laminate covered wood products and some plastics Cutting drywall or cementious backer board crea...

Page 40: ...th Set The amount each tooth is bent left or right along the blade C Gauge The thickness of the blade D Blade Width The widest point of the blade measured from the tip of the tooth to the back edge of...

Page 41: ...11 4 Figure 54 Recommended cutting radius per blade Recommended cutting radius per blade width width Straight Cutting Use the largest width blade that you own Large blades excel at cutting straight li...

Page 42: ...ideal for most contour cuts Tooth Pitch Measured as TPI teeth per inch tooth pitch determines the number of teeth More teeth per inch fine pitch will cut slower but smoother while fewer teeth per inc...

Page 43: ...M M R H S M M Crosscutting Thin Stock R H S F F Crosscutting Thick Stock R H S M M Crosscutting Round Stock R H S F F M M R H S F F M M Miter Cut R H S F F M M Tenons R H S M M R H S M M Sharp Curves...

Page 44: ...pitch TPI for the workpiece thickness The general rule of thumb is to have no less than two teeth in contact with the workpiece at all times during cutting Blade Care Break In Blade Care A bandsaw bla...

Page 45: ...rp and difficult to handle Wear heavy leather gloves while handling to reduce the risk of being cut Disconnect bandsaw from power BEFORE changing blade Serious personal injury could occur if machine i...

Page 46: ...Lever Lock Lever Pointer Pointer Table Tilt Table Tilt Handwheel Handwheel Installing Blade 4 Rotate blade tension quick release lever counterclockwise to PARTIAL TENSION position 5 Adjust blade tensi...

Page 47: ...ated Figure Figure 62 Location of positive stop bolt Location of positive stop bolt Positive Positive Stop Bolt Stop Bolt Checking Calibrating Positive Stop Tools Needed Qty Open End Wrenches 17mm 2 M...

Page 48: ...able tilt scale pointer Table tilt scale pointer Scale Scale Pointer Pointer Ripping Ripping means cutting with the grain of the wood stock For plywood and other processed wood ripping simply means cu...

Page 49: ...a crosscutting operation Figure 68 Example of a crosscutting operation with Example of a crosscutting operation with the miter gauge the miter gauge Resawing Figure 69 Example of a resawing operation...

Page 50: ...dii for those blade widths Width Min Radius 1 8 1 8 3 16 3 8 1 4 5 8 3 8 11 4 1 2 21 2 5 8 33 4 3 4 51 2 One of the benefits of a bandsaw is its ability to cut multiple copies of a particular shape by...

Page 51: ...ed blade lead Figure 72 Example of blade lead Example of blade lead Blade Blade Wandering Wandering Off Layout Off Layout Line Line Layout Layout Line Line Blade lead is usually caused by excessive fe...

Page 52: ...a jointer and table saw to straighten a piece of scrap wood 2 On wide face of board draw a straight line parallel to long edge similar to layout line shown in Figure 72 3 Slide fence out of the way an...

Page 53: ...s the most common accessories available for your machine through our exclusive dealer Grizzly Industrial Inc at grizzly com D2272 Tilting Roller Stand Adjusts from 26 to 44 0 45 150 lb capacity D2273...

Page 54: ...ge and adjusts the angle of cut with the scribed line ensuring a uniform thickness without putting undue strain on the blade This includes the 197 8 L x 515 16 W resaw fence and drift bar so you have...

Page 55: ...hines with 4 dust ports T10456 Heavy Duty Anti Fatigue Mat 3 x 5 This Heavy Duty Anti Fatigue Mat features beveled edges and no slip tread for safety and comfort Open hole design allows liquid to drai...

Page 56: ...hat allow the brushes to be adjusted for bristle wear refer to Adjusting Wheel Brushes on Page 59 for detailed instructions Cleaning the bandsaw is relatively easy Vacuum excess wood chips and sawdust...

Page 57: ...way 3 Use a rag and mineral spirits to wipe off any grease and sawdust build up on rack see Figure 83 Blade Tension Adjustment Assembly Lubrication Type NLGI 2 Grease or Equivalent Amount Thin Coat Fr...

Page 58: ...aces 4 Apply a thin coat of multi purpose NLGI 2 grease to rack 5 Move table up and down several times to distribute grease then wipe off any excess Table Tilt Rack Pinion Assembly Lubrication Type NL...

Page 59: ...ket 13mm 1 Replacement V Belt PN PSB1123209 1 To check adjust V belt tension 1 DISCONNECT MACHINE FROM POWER 2 Open wheel covers 3 Inspect V belts if they are cracked frayed or glazed replace them ref...

Page 60: ...w V belts in their place 6 Slide lower wheel back onto bearing shaft and secure with cap screw removed in Step 4 7 Slip belts over motor pulley then properly tension V belts refer to Tensioning Replac...

Page 61: ...1 Open End Wrench 10mm 1 To adjust wheel brushes 1 DISCONNECT MACHINE FROM POWER 2 Open wheel covers 3 Loosen cap screws and lock nuts that secure wheel brushes in place see Figure 92 4 Adjust wheel b...

Page 62: ...of table top then tighten knob 3 Place machinist s square on table next to right hand side of guide post as shown in Figure 95 Guide Post Front View Table Square Figure 95 Example of checking guide po...

Page 63: ...s loosened in Step 4 Checking Adjusting Guide Post Parallel with Blade Front to Back 1 DISCONNECT MACHINE FROM POWER 2 Loosen guide post lock knob lower blade guide assembly all the way down then tigh...

Page 64: ...ck and blade guide post rack and blade 4 Measure distance A between upper front face of guide post rack and back of blade see Figure 99 5 Measure distance B between bottom front face of guide post rac...

Page 65: ...ore cutting Alternatively you can cut the gauge out of a new sheet of 1 2 3 4 plywood using a table saw The factory edge of the plywood will ensure a straight and parallel gauge Figure 103 Dimensions...

Page 66: ...ow to proceed with alignment adjustments or Wheels parallel and aligned No adjustment needed Wheels parallel but not coplanar with each other Shim upper or lower wheel out Upper wheel not vertically a...

Page 67: ...distance away from other wheel with a fine ruler see Figure 106 The distance measured with ruler is distance this wheel must be shimmed 4 Remove blade 5 Remove wheel to be shimmed Place as many shims...

Page 68: ...tilt scale pointer see Figure 109 was calibrated at the factory However after prolonged use the pointer may shift requiring adjustment Note The table tilt scale functions as a basic guide only For hig...

Page 69: ...andsaw takes noticeably longer to stop when the foot brake is pushed The foot brake makes metal to metal grinding sounds The thickness of the brake shoe pad measures 1mm or less Components and Hardwar...

Page 70: ...x broken wires or disconnected corroded connections 11 ON button at fault 11 Replace button 12 Motor or motor bearings at fault 12 Replace motor Main motor stalls or is underpowered 1 Dull blade 1 Sha...

Page 71: ...tracking incorrectly 6 Adjust blade tracking Page 28 7 Blade guides support bearings not adjusted properly allowing guides to hit blade teeth 7 Adjust blade guides support bearings properly so guides...

Page 72: ...sion too loose 3 Increase blade tension Page 27 4 Blade guides support bearings improperly adjusted 4 Properly adjust blade guides support bearings Page 28 5 Feeding workpiece too fast 5 Feed workpiec...

Page 73: ...ith chips 1 Excessive feed rate pressure 1 Reduce feed rate pressure 2 Blade TPI is too fine 2 Install correct blade Page 38 Back side of blade deformed cracked 1 Excessive feed rate pressure 1 Reduce...

Page 74: ...esults including serious injury or fire Motor Wiring The motor wiring shown in these diagrams is current at the time of printing but it may not match your machine Always use the wiring diagram inside...

Page 75: ...A 18 22 21 14 13 22 21 14 13 22 21 14 13 AMP WARNING SHOCK HAZARD Disconnect power before working on wiring Foot Brake Motor 220V GND V1 U2 W2 V2 V5 W1 W5 U1U5 For phase converter wild wire if used T...

Page 76: ...12 A T1 2 T3 6 NO14 T2 4 L1 1 L3 5 NO13 L2 3 NC21 SDE NC22 SDE MA 09 22 21 14 13 22 21 14 13 22 21 14 13 AMP WARNING SHOCK HAZARD Disconnect power before working on wiring Foot Brake Motor 440V For p...

Page 77: ...l Component Pictures Figure Figure 114 Control panel wiring Control panel wiring Figure Figure 112 Magnetic switch wiring Magnetic switch wiring Figure Figure 115 Foot brake limit switch Foot brake li...

Page 78: ...Mfd Since 7 21 South Bend Tools Model SB1123 E L E C T R I C A L Figure Figure 116 220V motor junction box wiring 220V motor junction box wiring Figure Figure 117 Power supply junction box Power supp...

Page 79: ...5 118 119 120 121 122 123 120 108 104 108 116 1 116 2 116 3 116 4 116 5 116 6 116 7 116 8 116 9 116 10 116 11 116 12 116 2 117 1 117 2 117 3 117 4 117 5 117 6 117 7 117 8 117 9 117 10 117 11 117 12 11...

Page 80: ...PSB1123104 CAP SCREW M6 1 X 10 5 PSB1123005 HOUSING PLATE 105 PSB1123105 HEX NUT M6 1 NYLON 6 PSB1123006 ECCENTRIC SHAFT 106 PSB1123106 HEX BOLT M6 1 X 25 7 PSB1123007 HEX NUT M16 2 107 PSB1123107 BR...

Page 81: ...BALL BEARING 6306 2RS 116 11 PSB1123116 11 EXT RETAINING RING 15MM 202 3 PSB1123202 3 PHLP HD SCR M6 1 X 8 116 12 PSB1123116 12 ECCENTRIC SHAFT 202 4 PSB1123202 4 BUTTON HD CAP SCR M8 1 25 X 20 117 P...

Page 82: ...38 335 337 336 333 343 344 330 1 330 2 330 3 330 4 330 5 330 6 330 7 330 8 317 1 317 4 317 6 317 7 317 8 317 9 317 10 317 11 317 12 317 13 317 14 322 1 322 2 322 3 322 4 322 5 322 6 322 7 322 8 322 9...

Page 83: ...317 8 PSB1123317 8 SHAFT 322 23 PSB1123322 23 BUSHING DU 10 X 12 317 9 PSB1123317 9 SET SCREW M7 1 X 10 322 24 PSB1123322 24 FLAT WASHER 5MM 317 10 PSB1123317 10 NYLON PAD 10 X 28 X 1 323 PSB1123323 F...

Page 84: ...432 2 432 4 432 1 432 220V 430 433 416 431 434 447 448 449 450 452 433 433 435 408 2 408 1 408 3 408 4 408 5 403 404 405 406 407 408 409 410 411 412 413 414 415 416 421 422 423 424 425 426 435 436 43...

Page 85: ...42 PSB1123442 POWER SUPPLY CORD 12G 4W 18 1 2 411 PSB1123411 SET SCREW M6 1 X 12 443 PSB1123443 MOTOR CORD 12G 4W 30 412 PSB1123412 SWITCH PLATE 444 PSB1123444 SWITCH CORD 16G 3W 36 413 PSB1123413 KEY...

Page 86: ...adable REPLACE that label before using the machine again Contact South Bend Lathe Co at 360 734 1540 or www southbendlathe com to order new labels REF PART DESCRIPTION REF PART DESCRIPTION 501 PSB1123...

Page 87: ...of any domestic or foreign government industry or authority In no event shall South Bend s liability under this warranty exceed the original purchase price paid for this machine Any legal actions brou...

Page 88: ...southbendtools com Printed In Taiwan MN21996...

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