Model SB1018 | TROUBLESHOOTI NG | For Machines Mfg. Since 8/09 |
Symptom
Possible Cause
Possible Solution | ! |
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The cut is crooked, | 1. | The feed pressure is too high. | 1. | Decrease the feed rate. |
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the blade wanders, | 2. | Blade is loading up. | 2. | Install a blade with more suitable TPI or different | ||
slow cuts, or shows | ||||||
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| style of teeth. | |||
overheating on one |
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3. | Blade tension is too loose. | 3. | Increase blade tension. | |||
side of the cut or | ||||||
the blade. | 4. | Blade installed backwards. | 4. | Check blade rotation as described in “test run” and | ||
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| 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.
Blade dulls | 1. | Blade is improperly broken in. | 1. | Replace blade, and complete blade break in | |
prematurely, or |
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| procedure. | |
metal sticking to | 2. | The blade gullets are loading up | 2. | Use a blade that has larger gullets to carry out | |
the blade. | |||||
| with chips. |
| material. | ||
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3.The blade TPI is too fine for the 3. Use a
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| thick workpiece, and the teeth load |
| blade speed. |
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| up and overheat. |
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| 4. | The workpiece has hard spots, | 4. | Replace the blade with a special blade for cutting |
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| welds, or scale. |
| hardened materials. |
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Repetitious noise | 1. | Pulley set screws or keys are | 1. | Inspect keys and set screws. Replace or tighten if |
coming from |
| missing or loose. |
| necessary. |
machine. | 2. | Blade is missing teeth. | 2. | Replace blade. |
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3.Motor fan is hitting the cover. 3. Adjust fan cover mounting position, tighten fan, or shim fan cover.
4. | 4. | Replace | |
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 | 1. | The blade guides are worn or mis- | 1. | ||
one side or shows |
| adjusted. |
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overheating. | 2. | The blade support is inadequate. | 2. | Tighten the blade guide as close to the workpiece as | |
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| possible. | |
| 3. | Dull or incorrect blade. | 3. | Replace blade. | |
| 4. | Blade is | 4. | Install new blade. | |
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Vibration when | 1. | Loose or damaged blade. | 1. | Tighten or replace blade. | |
operating or | 2. | Worn wheel bearing. | 2. | Check/replace wheel bearing. | |
cutting. | |||||
3. | Bent or dull blade. | 3. | Replace blade. | ||
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| 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 | |
| 7. | Bandsaw blade wheel is bent or out | 7. | Check and replace for bad wheel or bearing. | |
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| of balance. |
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