Craftsman 315.21449 owner manual Problem, Cause Solution

Page 22

,_1= WARNING: For your own safety, turn switch Off, remove switch key and unplug the saw from power supply before adjusting or aligning your band saw.

PROBLEM

Motor will not run.

CAUSE

SOLUTION

1.

Problem with On-Off switch or

1.

Have worn parts replaced

 

power cord.

 

before using Band Saw again.

2.

Motor Defective.

2.

Do not attempt any repair.

 

 

 

Have repaired by a qualified

 

 

 

service technician st a Sears

 

 

 

store.

Blade does not run in the approxi- mate center of the upper wheel.

Band Saw slows down when cutting.

Blades breaking.

Saw is noisy when running.

Blade will not cut straight.

Blade guides will not stay in position.

1.Not tracking properly.

1.Cutting too small a radius.

2.Dull blade.

1, Too much tension.

2.Kink in blade caused by cutting too small a radius or turning the material too fast when cutting.

3.Thrust bearings scarred or not rotating.

1.Too much blade tension.

2.Blade guides and backup bearings are in contact with the blade.

1.Blade guides and bearings not properly adjusted.

2.Worn or defective blade.

1.Blade guide screws have loosened.

1.Adjust tracking, See Adjust- ments section Tracking the Blade.

. Stop feeding, and back up the material slightly, until the band saw speeds up.

2. Replace blade.

1.Adjust tension. See Adjust- ments section Adjusting Blade Tension.

2.Use correct cutting technique.

See section Basic Operation of the Band Saw.

3.Replace the thrust bearings.

1, Adjust blade tension. See Adjustments section Adjusting

Blade Tension.

2.Adjust upper and lower blade guides and bearings. See Adjustments section Adjusting

Thrust Bearings, Blade Guide Support, and Blade Guides.

1.Adjust upper and lower blade guides and bearings. See Adjustments section Adjusting

Thrust Bearings, Blade Guide Support, and Blade Guides.

2.Replace blade.

1.Tighten blade guide screws securely.

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Contents Iirrftsmrni NrtlFull ONE Year Warranty on Craftsman Band SAW Safety Alert Symbol Read ALL InstructionsRules FOR, Safe Operation Before Making a CUT, be Sure ALL Adjustments are Secure Rules for Safe OperationElectrical Connection Grounding Pincoverofgrounded OutletboxBevelCut Acuttingoperationmadewithanangledtable FPMOn0 Small Combination SquareBlade Application Thickness TPI 59 1/4in 018in Inch Band Saw Blade Screwscrews Mounting Band SAW to WorkbenchTrusshead Flat Head Bracket HEX NutsLockleverbladeguideknob Unlockedposition Adjusting Blade Guide AssemblyClamping Band SAW to Workbench Mounting Board Clamps WorkbenchGuides Installing and Adjusting the BladeBLADEGUARD/BANDSAW Trusshead Screw Wingnut WheelQuickreleaseknob To Release To AdjustTracking the Blade Adjusting Thrust BEARINGS, Blade BladeonBladeguide Screw Bladeguardremoved For ClarircationonlyScrews Lowerbladeguide Failureto do so couldresultin seriouspersonal injury Page MOTOR/ELECTRICAL General MaintenanceTires BrushesBrushholderbrush Drive BeltProblem Cause SolutionPage Craftsman Band SAW Model no Figure aKey Part No. Number See Back page for Parts Ordering InstructionsSee NOTEAPAGE27 Figure BParts List for Figure B Craftsman Band SAW Model noPage Ii!iiiiiiiiiiiiiiiiil Page Iii iiiiiii Part