Craftsman 315.214490 - Manual (Page 22)

TROUBLESHOOTING
A 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 CAUSE SOLUTION
Motor will not run. 1. Problem with On-Off switch or
power cord.
2. Motor Defective.
1. Have worn parts replaced
before using Band Saw again.
2. Do not attempt any repair.
Have repaired by a qualified
service technician at a Sears
store.
Blade does not run in the approxi­
mate center of the upper wheel.
1 . Not tracking properly. 1. Adjust tracking, See Adjust­
ments section Tracking the
Blade.
Band Saw slows down when
cutting.
1. Cutting too small a radius.
2. Dull blade.
1. Stop feeding, and back up the
material slightly, until the band
saw speeds up.
2. Replace blade.
Blades breaking. 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. 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.
Saw is noisy when running. 1. Too much blade tension.
2. Blade guides and backup
bearings are in contact with the
blade.
1 . Adjust blade tension. See
Adjustments section Adjusting
Biade Tension.
2. Adjust upper and lower blade
guides and bearings. See
Adjustments section Adjusting
Thrust Bearings, Blade Guide
Support, and Biade Guides.
Blade will not cut straight. 1. Blade guides and bearings not
properly adjusted.
2. Worn or defective blade.
1. Adjust upper and lower blade
guides and bearings. See
Adjustments section Adjusting
Thrust Bearings, Blade Guide
Support, and Blade Guides.
2. Replace blade.
Blade guides will not stay in 1. Blade guide screws have 1. Tighten blade guide screws
position. loosened. securely.
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