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 too small radius or turning the material too fast when cutting.

2.Use correct cutting technique. See section, Operation.

3.Thrust bearings scarred or not rotating.

3. Replace the 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

2. Adjust upper and lower blade

are in contact with the 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.

1.Adjust upper and lower blade 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 loosened.

1.Tighten blade guide screws securely.

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Ryobi BS902 manual Troubleshooting, Problem Cause Solution