English
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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Saw will no t start. | 1. Saw not plugged in. | 1. | Plug in saw. | ||
| 2. | Faulty swicth. | 2. | Have switch replaced by an | |
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| Authorized Service Center. | |
| 3. | Fuse blown or circuit breaker tripped. | 3. | Replace fuse or reset circuit breaker. | |
| 4. | Cord damaged. | 4. | Have cord replaced by an | |
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| Authorized Service Center. | |
| 5. | Worn, broken brushes. | 5. | Replace brushes. | |
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Saw makes unsatisfactory cuts. | 1. Dull blade. | 1. | Replace blade. | ||
| 2. | Blade mounted backwards. | 2. | Turn blade around. | |
| 3. | Gum or pitch on blade. | 3. | Remove blade and clean with | |
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| turpentine and coarse steel wool. | |
| 4. | Incorrect blade for work being done. | 4. | Change the blade. | |
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Blade does not come up to speed. | 1. Extension cord too light or too long. | 1. | Replace with the adaquate size | ||
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| extension cord. | |
| 2. | Low supply voltage. | 2. | Contact the electric company. | |
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Saw vibrates excessively. | 1. Blade bolt not tight. | 1. | Tighten blade bolt. | ||
| 2. | Saw not mounted securely to | 2. | Tighten all mounting hardware. | |
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| workbench. |
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| 3. | Workbench on uneven floor. | 3. | Reposition workbench on flat | |
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| level surface. | |
| 4. | Blade or blade flanges not clean. | 4. | Clean blade and blade flanges. | |
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Does not make accurate miter cuts. | 1. Damaged saw blade. | 1. | Replace blade. | ||
| 2. | Positive stop not adjusted correctly. | 2. | Check and adjust positive stop. | |
| 3. | Workpiece moving. | 3. | Clamp workpiece securely to fence. | |
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Material pinches blade. | 1. Cutting bowed material in wrong | 1. | Position bowed material correctly | ||
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| position. |
| (convex side to the back fence). | |
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