Craftsman 315.214770 - Manual (Page 23)

TROUBLESHOOTIN
PROBLEM CAUSE SOLUTION
Motor will not run. 1. Problem with On-Off switch or
power cord. 1. Have worn parts replaced before
using band saw again.
2. Motor defective. 2. Do not attempt any repair. Have
tool repaired by a qualified service
technician.
Biade does not run in the approximate 1. Not tracking properly,
center of the upper wheel.
1. Adjust tracking. See Adjustments
section, Tracking the Blade.
Band saw slows down when cutting. 1. Cutting too small a radius. 1. Stop feeding and back up the
materia!
slightly until the band saw
speeds up.
2. Dull blade. 2. Replace blade.
Blade breaking. 1. Too much blade tension. 1. Adjust tension. See Adjustments
section. Adjusting Blade Tension.
2. Kink in blade caused by cutting too 2. Use correct cutting technique. See
small radius or turning the material section, Operation.
too fast when cutting.
3. Thrust bearings scarred or not
rotating.
3. Replace the thrust bearings. See
Adjusting Thrust Bearings.
Saw is noisy when running. 1. Too much blade tension. 1. Adjust tension. See Adjustments
section. Adjusting Blade Tension.
2. Blade guides and bearings are in
contact with
the blade.
2. Adjust upper and lower blade
guides and bearings. See Adjustments
sections, Adjusting Thrust Bearings,
Blade Guide Support, and Blade
Guides.
Blade will not cut straight. 1. Biade guides and bearings not
properly adjusted. 1. Adjust upper and lower blade
guides and bearings. See Adjustments
sections, Adjusting Thrust Bearings,
Blade Guide Support, and Blade
Guides.
2. Worn or defective blade. 2. Replace blade.
Blade guides will not stay in position. 1. Biade guide screws have loosened. 1. Tighten blade guide screws
securely.
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