Southbend SB1020 owner manual Blade Selection section beginning on

Page 37

For Machines Mfg. Since 8/09

TROUBLESHOOTING

Model SB1020

Symptom

Possible Cause

Possible Solution

!

Motor stalls

1.

Too much pressure when feeding

1.

Reduce pressure when feeding workpiece.

or slows when

 

workpiece.

 

 

 

operating.

2.

Workpiece is warped and binding

2.

Fabricate a jig for better workpiece control.

 

 

 

blade.

 

 

 

 

3.

Blade is dull, wanders, and gets

3.

Replace blade, adjust guides and tracking.

 

 

pinched in the cut.

 

 

 

 

4.

Blade is loose.

4.

Clean wheels and increase blade tension.

 

5.

Blade is loading up.

5.

Install a blade with more suitable TPI or different

 

 

 

 

style of teeth.

6.Blade is not correct for material 6. Use the correct blade for the operation. Refer to

being cut.

Blade Selection section beginning on Page 24.

7. Motor overheated.

7. Let cool, clean motor, and reduce workload.

8.Motor wired incorrectly.8. Review wiring diagram on motor cover; correct wire connections.

 

9.

Motor at fault.

9.

Test for shorted windings, bad bearings and repair

 

 

 

 

or replace.

 

 

 

 

 

 

 

 

 

 

Workpiece angle

1.

Scale not calibrated or loose vise.

1.

Zero fence to blade and realign scale. Tighten any

incorrect or out of

 

 

 

loose fasteners.

square.

2.

Blade guides are loose or out of

2.

Tighten any loose hardware or lock levers. Align the

 

 

 

alignment.

 

blade guides (see Page 28).

 

 

 

 

 

 

 

 

 

 

Blade tracks

1.

Blade tension is too loose.

1.

Increase blade tension (see Page 24).

incorrectly, slips on

2.

Incorrect blade for bandsaw.

2.

Install correct blade for machine (see Page 24).

wheels, or comes

3.

Feed rate is too fast.

3.

Reduce feed rate, or decrease blade TPI.

off wheels.

 

4.

Blade guides need adjustment.

4.

Adjust blade guides (see Page 40).

 

5.

Blade is bell-mouthed.

5.

Install new blade, and regularly remove tension

 

 

 

 

from blade when not in use.

6.Blade is dull, wanders, and gets 6. Replace blade, re-secure the workpiece from

pinched in the cut.

shifting.

7. Wheels are loaded with metal

7. Clean wheels.

shavings.

 

8.The blade has insufficient support. 8. Tighten the blade guide as close to the workpiece as possible (not less than 1⁄4").

-35-

Page 36 Page 38
Image 37
Page 36 Page 38
Contents Model SB1020 Customer Service UpdatesScope of Manual Manual FeedbackTable of Contents About This Machine FeaturesCapabilities Identification IdentificationMachine Specifications Other Understanding Risks of Machinery Basic Machine SafetyF E T Y Additional Metal Bandsaw Safety Reparation Overview Power Supply RequirementsThings Youll Need AvailabilityCircuit Information For 110V Connection PrewiredCircuit Requirements for Grounding RequirementsInventory UnpackingExtension Cords Before cleaning, gather the following Cleaning & ProtectingBasic steps for removing rust preventative Location Leveling & Mounting Lifting & MovingLeveling Machine Mounts Bolting to Concrete FloorsMachine Setup Power ConnectionTo set up the machine Test Run Inspections AdjustmentsTo test run your machine OperationPERATIONOverview Description of Controls & Components Blade Terminology Blade SelectionBlade Length Blade WidthTooth Type Tooth SetTo select the correct blade pitch Blade Pitch TPITo change the blade on the bandsaw Blade ChangesBlade Breakage Blade TensionTo tension the blade on the bandsaw Most common causes of avoidable blade breakage areDownfeed Rate Blade Care & Break-InDownfeed Pressure Blade CareChip Inspection Chart Blade Speed ChartWork Stop Angle CutsCuts to the Right Cuts to the LeftBlade Guide To adjust the blade guideVise Quick Release Workpiece HoldingCutting Fluid System Cutting FluidTo use the cutting fluid system Coolant control valve Operation TipsSBL Gearhead T-Shirt SBL One Good Turn T-Shirt AccessoriesLubrication CleaningGearbox Machine StorageTo change the gearbox oil Troubleshooting Blade Selection section beginning on Troubleshooting To adjust the angle stops To adjust the blade brushBlade Brush Angle StopsTo adjust the blade tension switch Limit SwitchesTo adjust the downfeed stop bolt To adjust the headstock travel switchDownfeed Stop Bolt To square the blade to the table Squaring BladeT E S Wiring Diagram Color KEY ElectricalL CTRICALSafety InstructionsTo convert the Model SB1020 to 220V ConversionElectrical G110 VAC ComponentsWiringWiring DiagramCoolant pump motor location Wiring Component LocationsCabinet & Base Description Cabinet & Base Parts ListHead Head Parts List Drive Wheel Machine Labels R R a N T Y Southbendlathe.com
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