23
TROUBLESHOOTING
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
tool repaired by a qualified service
technician.
Blade does not run in the approximate
center of the upper wheel.
1. Not tracking properly.
1. Adjust tracking. See
Adjustments
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.
Blade breaking.
1. Too much blade tension.
2. Kink in blade caused by cutting too
small radius or turning the material
too fast when cutting.
3. Thrust bearings scarred or not
rotating.
1. Adjust tension. See
Adjustments
section,
Adjusting Blade Tension
.
2. Use correct cutting technique. See
section,
Operation.
3. Replace the thrust bearings. See
Adjusting Thrust Bearings
.
Saw is noisy when running.
1. Too much blade tension.
2. Blade guides and bearings are in
contact with the blade.
1. Adjust tension. See
Adjustments
section,
Adjusting Blade Tension
.
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. Blade guides and bearings not
properly adjusted.
2. Worn or defective blade.
1. Adjust upper and lower blade
guides and bearings. See
Adjustments
sections,
Adjusting Thrust Bearings,
Blade Guide Support, and Blade
Guides.
2. Replace blade.
Blade guides will not stay in position.
1. Blade guide screws have loosened. 1. Tighten blade guide screws
securely.