Item | Phenomenon | Cause |
| Factory | Inspection, repair or adjustment |
| standard | ||||
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3 | Saw blade is locked. | (a) Excessively fast | - |
| • Reduce cutting speed. |
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| cutting speed |
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| (b) Core diameter of | - |
| • Use a thicker and shorter |
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| extension cord is too |
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| extension cord. |
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| small. |
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| (c) Excessive cutting | - |
| • Resharpen saw blade. |
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| force is applied due to |
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| dull saw blade. |
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| (d) Incorrect saw blade is | - |
| • Use a suitable Hitachi |
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| used. |
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| supplied saw blade. |
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| • An increased number of teeth |
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| on the saw blade increases |
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| the cutting resistance. When |
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| using a saw blade with a large |
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| number of teeth, reduce the |
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| cutting speed. |
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| (e) The saw blade binds | - |
| • Correct workpiece |
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| in workpiece during |
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| deformation with planer. |
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| cutting because |
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| workpiece is warped |
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| or bent. |
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4 | Saw blade does not | (a) Power cord is not | - |
| • Check power supply voltage. |
| rotate when switch is | connected to power |
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| • Connect the power cord to |
| triggered. | supply. |
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| power supply. |
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| (b) Carbon brush wear | - |
| • Check the Carbon Brushes |
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| exceeds allowable |
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| [160] for wear. |
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| limit (5 mm). |
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| • Replace the Carbon Brushes |
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| [160]. |
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| (c) Contact failure of the | - |
| • Check the Switch (3P Faston |
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| switch |
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| Type) W/O Lock [170] for |
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| conductivity. |
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| • Replace the Switch (3P |
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| Faston Type) W/O Lock [170]. |
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5 | Saw blade runs too | (a) Power supply voltage | - |
| • Check for power supply |
| slow | is lower than rated |
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| voltage. |
| (4,950 | voltage. |
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| • Check if extension cord is |
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| appropriate. See Instruction |
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| Manual for appropriate |
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| extension cords. |
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6 | Light (H) Ass’y does | (a) Improper wiring | - |
| • Check the wiring. |
| not light. |
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| (Only Model C 8FSHE) |
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| (b) Switch failure | - |
| • Check the Switch (W/Cover) |
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| [167] for conductivity. |
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| • Replace the Switch (W/Cover) |
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| [167]. |
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| (c) Switching power | - |
| • Check the Switching Power |
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| supply failure |
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| Supply Ass’y [165] for |
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| conductivity, input and output |
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| referring to "Wiring diagram." |
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| • Replace the Switching Power |
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| Supply Ass’y [165]. |
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| (d) Light (H) Ass’y failure | - |
| • Replace the Light (H) Ass’y |
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| [175]. |
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