Southbend SB1040 - Manual (Page 49)

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.