Jet Tools VBS-3612 operating instructions Troubleshooting Operating Problems

Troubleshooting – Operating Problems

Trouble

Saw blade is twisted.

Cuts not straight.

Blade slips off wheel(s).

Blade quickly becomes dull.

Blade warps.

Band Saw is noisy, or vibrates too much.

Blade teeth keep breaking.

Blade becomes damaged easily.

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.
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.
Feed rate too strong.	Decrease feed rate.
Blade not tensioned enough.	Increase tension.
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.
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 not 90° to table.	Adjust table perpendicular to blade
	(see page 14).
Band Saw not resting on level	Floor must be flat.
surface.
The variator pulley is damaged.	Replace pulley.
Incorrect blade for the job.	Select proper blade pitch and style.
Blade is of inferior material.	Use better quality blade.
The blade has been over-annealed.	Decrease annealing temperature.
Too large a gap between blade	Adjust proper gap between guides
guides and blade.	and blade (see page 13).
Blade too wide for short radius	Select narrower blade appropriate to
cutting.	the job.

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