Southbend SB1022 - Manual (Page 43)

For Machines Mfg. Since 8/09 Model SB1021/SB1022
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T R O U B L E S H O O T I N G
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.
Loud, 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. Motor fan is hitting the cover. 2. Adjust fan cover mounting position, tighten fan, or
shim fan cover.
3. V-belts are defective. 3. Replace V-belts.
Ticking sound
when the saw is
running. 1. Blade weld contacting blade guides. 1. Grind blade weld down smaller.
2. Blade weld may be failing. 2. 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. Wheels are not coplanar. 3. Adjust wheels so they are parallel and aligned.
4. Dull or incorrect blade. 4. Replace blade.
5. Blade is bell-mouthed. 5. 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. Wheels are not coplanar. 3. Adjust wheels so they are parallel and aligned.
4. Wheel tires worn or incorrectly
installed.
4. Replace or dress rubber tires.
5. Bent or dull blade. 5. Replace blade.
6. Wheels out of balance. 6. Replace wheels.
7. Loose machine component. 7. Tighten loose component.
8. Belt has a high spot. 8. Replace/adjust the V-belt.
9. Bandsaw blade wheel is bent or out
of balance.
9. Check and replace for bad wheel or bearing.