TROUBLESHOOTING
Before making a request for repairs, check a trouble for yourself. If any abnormality is found, control your machine according to the description of this manual. Never tamper or dismount any part contrary to the description. For repairs, contact Authorized Service Agent or local dealership.
| State of abnormality | Probable cause (malfunction) | Remedy | |||
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| Failure to operate primer pump | Push 7 to 10 times. | |
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| Low pulling speed of starter rope | Pull strongly. | |
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| Lack of fuel | Feed fuel. | |
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| Clogged fuel filter | Clean | |
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| Broken fuel tube | Straighten fuel tube | |
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| Deteriorated fuel | Deteriorated fuel makes starting more difficult. | |
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| Replace with new one. (Recommended | |
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| replacement: 1 month) | |
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| Excessive suction of fuel | Set throttle lever from medium speed to high | |
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| speed, and pull starter handle until engine | |
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| starts. Once engine starts, cutter blade | |
Engine does not start |
| starts rotating. Pay full attention to cutter | ||||
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| If engine will not start still, remove spark plug, | |
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| make electrode dry, and reassemble them as | |
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| they originally are. Then, start as specified. | |
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| Detached plug cap | Attach securely | |
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| Contaminated spark plug | Clean | |
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| Abnormal clearance of spark plug | Adjust clearance | |
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| Other abnormality of spark plug | Replace | |
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| Abnormal carburetor | Make request for inspection and maintenance. | |
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| Starter rope cannot be pulled | Make request for inspection and maintenance | |
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| Abnormal drive system | Make request for inspection and maintenance | |
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| Insufficient | Perform | |
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| Choke lever is set to “CLOSE” although engine | Set to “OPEN” | |
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| is warmed up | ||
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Engine stops soon |
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Clogged fuel filter | Clean | |||||
Engine speed does not increase | ||||||
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Contaminated or clogged air cleaner | Clean | |||||
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| Abnormal carburetor | Make request for inspection and maintenance | |
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| Abnormal drive system | Make request for inspection and maintenance | |
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Cutter blade does not rotate | Loosened cutter | Tighten securely | ||||
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| Twigs caught by cutter blade or | Remove foreign matter | |
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| Stop engine immediately |
| Abnormal drive system | Make request for inspection and maintenance. | ||
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Main unit vibrates abnormally. | Broken, bent or worn cutter blade | Replace cutter blade | ||||
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| Loosened cutter | Tighten securely | |
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| Shifted convex part of cutter blade and cutter | Attach securely | |
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| blade support fitting | ||
| Stop engine immediately |
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Abnormal drive system | Make request for inspection and maintenance | |||||
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Cutter blade does not stop immediately. | High idling rotation | Adjust | ||||
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| Detached throttle wire | Attach securely | |
| Stop engine immediately |
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Abnormal drive system | Make request for inspection and 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 maintenance. | |
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| Run engine at idling, and set choke |
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| lever 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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