25
Troubleshooting – Operating Problems
Trouble Probable
Cause
Remedy
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.
Saw blade is twisted.
Incorrect choice of blade.
Use a proper width blade for radius or
wavy line cutting.
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.
Cuts not straight.
Feed rate too strong.
Decrease feed rate.
Blade not tensioned enough.
Increase tension.
Blade slips off
wheel(s).
Wheels not aligned properly.
Contact technical service for
adjustment of wheel alignment.
Blade speed too fast.
Use slower speed.
Wrong blade for the job.
Use proper blade for workpiece.
Blade quickly
becomes dull.
Feed rate excessive.
Decrease feed rate.
Dull blade.
Sharpen or replace blade.
Guide post not fixed properly.
Fix guide post in position.
Blade not tensioned enough.
Increase tension.
Blade warps.
Blade not 90° to table.
Adjust table perpendicular to blade
(see page 14).
Band Saw not resting on level
surface.
Floor must be flat.
Band Saw is noisy, or
vibrates too much.
The variator pulley is damaged.
Replace pulley.
Incorrect blade for the job.
Select proper blade pitch and style.
Blade teeth keep
breaking.
Blade is of inferior material.
Use better quality blade.
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 becomes
damaged easily.
Blade too wide for short radius
cutting.
Select narrower blade appropriate to
the job.
Summary of Contents for VBS-3612
Page 23: ...23 Speed and Pitch Chart ...
Page 24: ...24 Typical Band Saw Operations ...
Page 35: ...35 VBS 3612 Band Saw ...
Page 36: ...36 VBS 3612 Band Saw ...
Page 39: ...39 Welder Shear and Work Lamp Assemblies ...
Page 40: ...40 Electrical Connections 3Ph 230 460V ...
Page 42: ...42 Electrical Box see page 41 for identification of parts ...
Page 43: ...43 ...