Ryobi BS903 User Manual

24

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, 

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, 

 

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, 

 

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  

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  

 

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.