| State of abnormality | Probable cause (malfunction) | Remedy | |||||
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Cutter blade does not | Loosened cutter | Tighten securely | ||||||
rotate |
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| nut | |||
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| Twigs caught by cutter blade or | Remove foreign matter | |
| Stop engine |
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| immediately | Abnormal drive system | Make request for inspection and | |||||
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| maintenance. | |
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Main unit vibrates | Broken, bent or worn cutter blade | Replace cutter blade | ||||||
abnormally. |
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Loosened cutter | Tighten securely | |||||||
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| nut | ||
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| Shifted convex part of cutter blade | Attach securely | |
| Stop engine | |||||||
| and cutter blade support fitting | |||||||
| immediately |
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| Abnormal drive system | Make request for inspection and | |
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| maintenance | |
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Cutter blade does not | High idling rotation | Adjust | ||||||
stop immediately. |
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Detached throttle wire | Attach securely | |||||||
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| Stop engine | Abnormal drive system | Make request for inspection and | |||||
| immediately |
| maintenance | |||||
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Engine does not stop. | Detached connector | Attach securely | ||||||
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| Abnormal electric system | Make request for inspection and | |
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| Run engine at idling, |
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| maintenance. | ||||
| and set choke lever |
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| to CLOSE. |
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When the engine does not start after
If there is no abnormality found for the check items, open the throttle by about 1/3 and start the engine.
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