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25
Troubleshooting – Operating Problems
Trouble Probable Cause Remedy
Saw blade is twisted.
Blade has been improperly welded. Re-weld the blade (see pages 16-19).
Blade not installed properly.
Set the guide inserts closer, and
increase blade tension.
Feeding workpiece too forcefully. Decrease feed rate.
Incorrect choice of blade.
Use a proper width blade for radius or
wavy line cutting.
Cuts not straight.
Blade tooth has improper set. File to proper set or replace blade.
Not enough blade tension. Increase tension.
Guide post too high.
Set guide post closer to the
workpiece.
Feed rate too strong. Decrease feed rate.
Blade slips off
wheel(s).
Blade not tensioned enough. Increase tension.
Wheels not aligned properly.
Contact technical service for
adjustment of wheel alignment.
Blade quickly
becomes dull.
Blade speed too fast. Use slower speed.
Wrong blade for the job. Use proper blade for workpiece.
Feed rate excessive. Decrease feed rate.
Blade warps.
Dull blade. Sharpen or replace blade.
Guide post not fixed properly. Fix guide post in position.
Blade not tensioned enough. Increase tension.
Blade not 90° to table.
Adjust table perpendicular to blade
(see page 14).
Band Saw is noisy, or
vibrates too much.
Band Saw not resting on level
surface.
Floor must be flat.
The variator pulley is damaged. Replace pulley.
Blade teeth keep
breaking.
Incorrect blade for the job. Select proper blade pitch and style.
Blade is of inferior material. Use better quality blade.
Blade becomes
damaged easily.
The blade has been over-annealed. Decrease annealing temperature.
Too large a gap between blade
guides and blade.
Adjust proper gap between guides
and blade (see page 13).
Blade too wide for short radius
cutting.
Select narrower blade appropriate to
the job.
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