Troubleshooting – Southbend SB1017 User Manual
Page 42
-40-
For Machines Mfg. Since 8/09
Model SB1017
TROUBLESHOOTING
The cut is crooked,
the blade wanders,
slow cuts, or shows
overheating on one
side of the cut or
the blade.
1.
The feed pressure is too high.
1.
Decrease the feed rate.
2.
Too much side pressure when
feeding workpiece in vertical mode.
2.
Feed workpiece straight into the blade (vertical
mode only).
3.
Blade is loading up.
3.
Install a blade with more suitable TPI or different
style of teeth.
4.
Blade tension is too loose.
4.
Increase blade tension.
5.
Blade installed backwards.
5.
Check blade rotation as described in “test run” and
reverse blade if necessary.
6.
Dull blade; missing teeth.
6.
Replace blade.
7.
Blade too wide for size of radius
being cut.
7.
Install a smaller width blade, or increase blade
tension.
8.
The blade speed is wrong.
8.
Adjust feed rate and cutting speed as required.
9.
The blade tracking is wrong.
9.
Adjust the blade tracking back to normal.
Symptom
Possible Cause
Possible Solution
Blade dulls
prematurely, or
metal sticking to
the blade.
1.
Blade is improperly broken in.
1.
Replace blade, and complete blade break-in
procedure.
2.
The blade gullets are loading up
with chips.
2.
Use a blade that has larger gullets to carry out
material.
3.
The blade TPI is too fine for the
thick workpiece, and the teeth load
up and overheat.
3.
Use a coarser-tooth blade, adjust feed rate, adjust
blade speed, make sure the brush is working.
4.
The workpiece has hard spots,
welds, or scale.
4.
Replace the blade with a special blade for cutting
hardened materials.
Repetitious noise
coming from
machine.
1.
Pulley set screws or keys are
missing or loose.
1.
Inspect keys and set screws. Replace or tighten if
necessary.
2.
Blade is missing teeth.
2.
Replace blade.
3.
Motor fan is hitting the cover.
3.
Adjust fan cover mounting position, tighten fan, or
shim fan cover.
4.
V-belt is defective.
4.
Replace V-belt.
5.
Blade weld contacting blade guides.
5.
Grind blade weld down smaller.
6.
Blade weld may be failing.
6.
Cut and reweld the blade, or replace the blade.
Blade wears on
one side or shows
overheating.
1.
The blade guides are worn or mis-
adjusted.
1.
Re-adjust or replace the blade guides.
2.
The blade support is inadequate.
2.
Tighten the blade guide as close to the workpiece as
possible without touching it.
3.
Dull or incorrect blade.
3.
Replace blade.
4.
Blade is bell-mouthed.
4.
Install new blade.
Vibration when
operating or
cutting.
1.
Loose or damaged blade.
1.
Tighten or replace blade.
2.
Worn wheel bearing.
2.
Check/replace wheel bearing.
3.
Wheel tires worn or incorrectly
installed.
3.
Replace or dress rubber tires.
4.
Bent or dull blade.
4.
Replace blade.
5.
Wheels out of balance.
5.
Replace wheels.
6.
Loose machine component.
6.
Tighten loose component.
7.
V-belt has a high spot.
7.
Replace/adjust the V-belt.
8.
Bandsaw blade wheel is bent or out
of balance.
8.
Check and replace for bad wheel or bearing.
!