Troubleshooting – Southbend METAL-CUTTING BANDSAW SB1019 User Manual
Page 38
-36-
For Machines Mfg. Since 8/09
Model SB1019
TROUBLESHOOTING
Motor stalls
or slows when
operating.
1.
Too much pressure when feeding
workpiece.
1.
Reduce pressure when feeding workpiece.
2.
Workpiece is warped and binding
blade.
2.
Fabricate a jig for better workpiece control.
3.
Blade is dull, wanders, and gets
pinched in the cut.
3.
Replace blade, adjust guides and tracking.
4.
Blade is loose.
4.
Clean wheels and increase blade tension.
5.
Blade is loading up.
5.
Install a blade with more suitable TPI or different
style of teeth.
6.
Blade is not correct for material
being cut.
6.
Use the correct blade for the operation. Refer to
Blade Selection section beginning on Page 21.
7.
Motor overheated.
7.
Let cool, clean motor, and reduce workload.
8.
Motor wired incorrectly.
8.
Review wiring diagram on motor cover; correct wire
connections.
9.
Motor at fault.
9.
Test for shorted windings, bad bearings and repair
or replace.
Workpiece angle
incorrect or out of
square.
1.
Scale not calibrated or loose vise.
1.
Zero fence to blade and realign scale. Tighten any
loose fasteners.
2.
Table guide post is loose or out of
alignment.
2.
Tighten any loose hardware or lock levers. Align the
guide post (see Page 39).
Symptom
Possible Cause
Possible Solution
Blade tracks
incorrectly, slips on
wheels, or comes
off wheels.
1.
Blade tension is too loose.
1.
Increase blade tension (Page 25).
2.
Incorrect blade for bandsaw.
2.
Install correct blade for machine (Page 24).
3.
Feed rate is too fast.
3.
Reduce feed rate, or decrease blade TPI.
4.
Blade guides need adjustment.
4.
Adjust blade guides (Page 30).
5.
Blade is not tracking correctly.
5.
Adjust blade tracking (Page 38).
6.
Blade is bell-mouthed.
6.
Install new blade, and regularly remove tension
from blade when not in use.
7.
Blade is dull, wanders, and gets
pinched in the cut.
7.
Replace blade, re-secure the workpiece from
shifting.
8.
Wheels are loaded with metal
shavings.
8.
Clean wheels.
9.
The blade has insufficient support.
9.
Tighten the blade guide as close to the workpiece as
possible.
!