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Southbend sb1018 User Manual

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Page of 56
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For Machines Mfg. Since 8/09
Model SB1018
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.
Blade is loading up.
2.
Install a blade with more suitable TPI or different 
style of teeth.
3.
Blade tension is too loose.
3.
Increase blade tension.
4.
Blade installed backwards.
4.
Check blade rotation as described in “test run” and 
reverse blade if necessary.
5.
Dull blade; missing teeth.
5.
Replace blade.
6.
The blade speed is wrong.
6.
Adjust feed rate and cutting speed as required.
7.
The blade tracking is wrong.
7.
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.
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.
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.
Bent or dull blade.
3.
Replace blade.
4.
Wheels out of balance.
4.
Replace wheels.
5.
Loose machine component.
5.
Tighten loose component.
6.
Belt has a high spot.
6.
Replace/adjust the V-belt.
7.
Bandsaw blade wheel is bent or out 
of balance.
7.
Check and replace for bad wheel or bearing.
!