Southbend SB1040 User Manual

Page of 72
For Machines Mfg. Since 8/09
Model SB1040/SB1041
-47-
TR O U B L E S H O OTI N G
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 is not tracking correctly.
2.
Adjust blade tracking (see Page 41).
3.
Blade is bell-mouthed.
3.
Install new blade, and regularly remove tension 
from blade when not in use (see Page 27).
4.
Blade is dull, wanders, and gets 
pinched in the cut.
4.
Replace blade, re-secure the workpiece from 
shifting.
5.
Rubber tire on wheel is damaged, 
glazed, or worn.
5.
Replace or dress rubber tires.
6.
Blade tension is too loose.
6.
Increase blade tension (see Page 27).
7.
Blade guides need adjustment.
7.
Adjust blade guides (see Page 30).
8.
Incorrect blade for bandsaw.
8.
Install correct blade for machine.
9.
The blade has insufficient support.
9.
Tighten the blade guide as close to the workpiece as 
possible.
10.
Wheel tires are loaded with metal 
shavings.
10.
Clean wheel tires.
The cut is crooked, 
the blade wanders, 
slow cuts, or shows 
overheating on one 
side of the cut or 
the blade.
1
Blade spinning backwards due to 
machine being wired out of phase 
(SB1041 only).
1
Swap two power incoming power leads  (see Phase 
Polarity on Page 20).
2.
The feed pressure is too high.
2.
Decrease the feed rate.
3.
Too much side pressure when 
feeding workpiece.
3.
Feed workpiece straight into the blade.
4.
Blade is loading up.
4.
Install a blade with more suitable TPI or different 
style of teeth.
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 (see Page 27).
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 (see Page 41).
Welder is 
inoperative or 
welds poorly.
1
Operator error.
1
Use welder as outlined in operations section and 
practice on scrap blades (see Page 32).
2.
Wiring or welding switch at fault.
2.
Repair wiring or replace welding switch.
3.
Welder transformer at fault.
3.
Replace welder transformer.
Work lamp or 
welding lamp does 
not work
1
Bulb, wiring, or switch at fault.
1
Replace bulb, repair wiring, replace switch.
2.
Transformer is at fault.
2.
Replace transformer.
Grinder does not 
work.
1. Wiring or ON/OFF switch at fault
1
Repair wiring or replace grinder switch.
2. Motor at fault.
2.
Replace motor.