TROUBLESHOOTING GUIDE
WARNING
⬤To avoid injury from an accidental start, turn the switch OFF and remove the plug from the power source before making any adjustments.
⬤All electrical or mechanical repairs should be done only by qualified service technicians. Contact Hitachi Authorized Service Center.
GENERAL
PROBLEM | PROBABLE CAUSE | REMEDY | ||
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Blade does not run in the | 1. | Not tracking properly. | 1. | Adjust tracking. See ASSEMBLY AND |
center of the upper wheel. |
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| ADJUSTMENTS section BLADE TRACKING |
| 2. | Defective blade. | 2. | Replace blade. |
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Band saw slows down | 1. Belt too loose. | 1. | Adjust belt tension. See ASSEMBLY AND | |
when cutting. |
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| ADJUSTMENTS section BL ADE TENSION. |
| 2. | Cutting too small a radius. | 2. | Stop feeding, back up the material |
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| slightly, until the band saw speeds up. |
| 3. | Dull blade. | 3. | Replace blade. |
| 4. | Overloading motor. | 4. | Slow down, trying to cut too fast. See |
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| MOTOR TROUBLESHOOTING GUIDE on |
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| page 19. |
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Blades braking. | 1. Too much tension on the blade. | 1. Adjust tension. See ASSEMBLY AND | ||
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| ADJUSTMENTS section BLADE TENSION |
| 2. | Kink in the blade caused by cutting too | 2. | Use correct cutting technique. |
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| small a radius or turning the material too |
| See OPERATION section GENERAL |
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| fast when cutting |
| CUTTING. |
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Blade dulls too quickly. | 1. | Blade guides set too close to the teeth. | 1. | Adjust upper and lower blade guides. |
| 2. | Cutting incorrect material. | 2. | See OPERATION section BLADE SELECTION. |
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Band saw vibrates. | 1. Too much tension on motor belt. | 1. Adjust according to ASSEMBLY AND | ||
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| ADJUSTMENTS section, INSTALL THE |
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| BELT. |
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