Use and Care Manual

19
EVBS-26
15.0 TROUBLESHOOTING
15.1 OPERATING PROBLEMS
Table 1
Trouble Probable Cause Remedy
Saw blade is twisted.
Blade has been improperly welded. Re-weld blade. See section 12.3
Blade not installed properly. Set guide inserts closer, and increase
blade tension.
Feeding workpiece too forcefully. Decrease feed rate.
Incorrect choice of blade. Use proper width blade for radius or
wavy line cutting.
Cuts not straight.
Blade tooth has improper set. File to proper set or replace blade.
Inadequate blade tension. Increase tension.
Guide post too high. Set guide post closer to workpiece.
Feed rate too strong. Decrease feed rate.
Blade slips off wheel(s).
Inadequate blade tension. Increase tension.
Wheels not aligned properly. Contact technical service for adjust-
ment 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 fi xed properly. Fix guide post in position.
Blade not tensioned enough. Increase tension.
Blade not 90° to table. Adjust table perpendicular to blade.
Band Saw is noisy, or vibrates too
much.
Band Saw not resting on level surface. Floor must be fl at.
Variable speed 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.
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 section 10.3
Blade too wide for short radius cutting. Select narrower blade appropriate to
the job.