Southbend Swivel Mast Bandsaw sb1018 - Manual (Page 41)

For Machines Mfg. Since 8/09 Model SB1018
-39-
TROUBLESHOOTING
Machine stalls
or slows when
operating. 1. Too much feed pressure. 1. Reduce feed pressure.
2. Workpiece is warped and binding
blade. 2. Fabricate a jig for better workpiece control.
3. Blade is not correct for material
being cut. 3. Use the correct blade for the operation. Refer to
Blade Selection section beginning on Page 26.
4. Belt slipping. 4. Tension/replace belt; ensure pulleys are aligned.
5. Motor overheated. 5. Let cool, clean motor, and reduce workload.
6. Motor wired incorrectly. 6. Review wiring diagram on motor cover; correct wire
connections.
7. Motor at fault. 7. Test for shorted windings, bad bearings and repair
or replace.
Workpiece cut
angle incorrect or
out of square. 1. Scale not calibrated vise is loose. 1. Zero fence to blade and realign scale. Tighten loose
vise fasteners.
2. Table guide post is loose or out of
alignment. 2. Tighten loose guidepost hardware or lock levers.
Align the guide post (see Page 35).
Symptom Possible Cause Possible Solution
Blade tracks
incorrectly, or
comes off wheels. 1. Feed rate is too fast. 1. Reduce feed rate, or decrease blade TPI.
2. Blade guides need adjustment. 2. Adjust blade guides (see Page 31).
3. Blade is not tracking correctly. 3. Adjust blade tracking (see Page 34).
4. Blade is bell-mouthed. 4. Install new blade, and regularly remove tension
from blade when not in use.
5. Blade is dull, wanders, and gets
pinched in the cut. 5. Replace blade, re-secure the workpiece from
shifting.
6. Blade tension is too loose. 6. Increase blade tension (see Page 26).
7. Incorrect blade for bandsaw. 7. Install correct blade for machine.
8. The blade has insufficient support. 8. Tighten the blade guide as close to the workpiece as
possible.
9. Wheel tires are loaded with metal
shavings. 9. Clean wheel tires.
Machine or blade
bogs down in the
cut. 1. Excessive load on the blade. 1. Reduce feed rate or increase blade speed
2. Blade is dull, wanders, and gets
pinched in the cut. 2. Replace blade, adjust guides and tracking.
3. Blade is dull. 3. Replace blade (see Page 25).
4. The blade TPI is too coarse for the
thin workpiece. 4. Use a blade with at least 3 teeth contacting the
material at all times.
5. Blade is loose. 5. Clean wheels and increase blade tension.
6. V-belt loose; belt squeals at times. 6. Tighten V-belt (see Page 26).
7. Blade is loading up. 7. Install a blade with more suitable TPI or different
style of teeth.
8. V-belt worn and slips. 8. Replace V-belt (see Page 26).
!