Ryobi BS904 Operation Manual - Page 16
Note: S Illustrations Start On After, French And Spanish Language S.
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TROUBLESHOOTING PROBLEM CAUSE SOLUTION Motor will not run. 1. Problem with On/Off switch or power cord. 1. Have worn parts replaced before using band saw again. 2. Motor defective. 2. Do not attempt any repair. Have tool repaired by a qualified service technician. 3. Blade is binding. 3. Remove jammed material. Blade does not run in the approxi- 1. Not tracking properly. mate center of the upper wheel. 1. Adjust tracking, See ADJUSTMENTS section, "Tracking the Blade". 2. Have tool repaired by a qualified service technician. Band Saw slows down when 1. Cutting too small a radius. 2. Dull blade. 1. Stop feeding and back up the cutting 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. 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 and Blade Guide Support. 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 and Blade Guide Support. 2. Replace blade. Blade guides will not stay in position. 1. Blade guide screws have loosened. 1. Tighten blade guide screws securely. Motor runs but blade does not turn 1. Tension not set properly. 1. Use Rapidset Blade Tension Lever to set tension. 2. Drive belt broken. 2. Have tool repaired by a qualified service technician. NOTE: FIGURES (ILLUSTRATIONS) START ON PAGE 17 AFTER FRENCH AND SPANISH LANGUAGE SECTIONS. 16 - English