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Page 20
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Motor will not run. 1. Problem with On-Off switch or 1. Have worn parts replaced before
power cord. using band saw again.
2. Motor defective. 2. Do not attempt any repair. Have
tool repaired by a qualified
service technician.
Blade does not run in the approxi- 1. Not tracking properly. 1. Adjust tracking, See
Adjustments
mate center of the upper wheel. section, Tracking the Blade.
Band Saw slows down when 1. Cutting too small a radius. 1. Stop feeding and back up the
cutting. material 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 2. Use correct cutting technique.
too small radius or turning the See section,
Operation.
material too fast when cutting.
3. Thrust bearings scarred or not 3. Replace the thrust bearings.
rotating.
Saw is noisy when running. 1. Too much blade tension. 1. Adjust tension. See
Adjustments
section, Adjusting Blade Tension.
2. Blade guides and bearings 2. Adjust upper and lower blade
are in contact with the blade. guides and bearings. See
Adjust-
ments
sections, Adjusting Thrust
Bearings, Blade Guide Support,
and Blade Guides.
Blade will not cut straight. 1. Blade guides and bearings not 1. Adjust upper and lower blade
properly adjusted. guides and bearings. See
Adjust-
ments
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. Blade guide screws have 1. Tighten blade guide screws
loosened. securely.
WARNING:
To prevent accidental starting that could cause possible serious personal injury, turn off the saw, remove the switch key,
and unplug the saw from the power source before working on the band saw.