Troubleshooting – Ryobi BS903 User Manual
Page 24
24
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 Assembly
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 Assembly
section,
Adjusting Blade Tension.
2. Kink in blade caused by cutting
2. Use correct cutting technique.
too small radius or turning the
See Operation section.
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 Assembly
section,
Adjusting Blade Tension.
2. Blade guide bearings are
2. Adjust upper and lower blade
in contact with the blade.
guides and bearings. See Adjust-
ments sections, Adjusting Blade
Guide Support, Thrust Bearings,
and Blade Guide Bearings.
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 section, Adjusting Blade
Guide Support, Thrust Bearings,
and Blade Guide Bearings.
2. Worn or defective blade.
2. Replace blade.
Blade guides will not stay in position. 1. Blade guide set screws have
1. Tighten blade guide set screws
loosened.
securely.