22
Vertical Tilting Band Saw
13.0 TROUBLESHOOTING
13.1 Operating Problems
Table 3
Trouble
Probable Cause
Remedy
Excessive blade breakage
Material loose in vise.
Clamp work securely.
Incorrect speed or feed.
Adjust speed or feed.
Blade pitch too coarse.
Use finer pitch.
Blade tensioned too high.
Reduce tension.
Blade guides out of adjustment.
Adjust guides.
Poor tracking.
Adjust tracking.
Coolant application incorrect.
Use properly mixed coolant in sufficient
amounts.
Blade rushes forward into
workpiece
Air in hydraulic lines.
Feed cutting head back and forth manually
5 to 6 times.
Water in hydraulic lines.
Drain hydraulic system and replace fluid.
Blade squeals
Feed force too low.
Increase feed.
Poor tracking.
Adjust tracking.
Blade guides out of adjustment.
Adjust guides.
Coolant application incorrect.
Use properly mixed coolant in sufficient
amounts.
Blade stalls in workpiece
Feed force too high.
Reduce feed.
Blade pitch too coarse.
Use finer pitch.
Motor worn or defective.
Check the motor or electrical component.
Blade guides too tight against blade.
Adjust blade guides.
Blade wears on side
Blade guides worn.
Replace.
Blade guides out of adjustment.
Adjust guides.
Oil in cylinder air line
Air cylinder piston seal is leaking.
Replace cylinder.
Bad, crooked or rough cuts
Feed force too high.
Reduce feed.
Blade guide bearings not properly adjusted. Adjust blade guide bearings.
Inadequate blade tension.
Adjust blade tension.
Blade is dull.
Replace.
Incorrect speed.
Check for recommended speed.
Upper blade guide positioned incorrectly.
Adjust arm as close to workpiece as possi-
ble.
Blade guide assembly is loose.
Tighten it.
Blade pitch too coarse.
Use finer pitch.
891200_EVTBS16V Tilting Band Saw_Edition 1.indd 22
891200_EVTBS16V Tilting Band Saw_Edition 1.indd 22
5/10/22 10:22 AM
5/10/22 10:22 AM