| Troubleshooting schedule | ||
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Problem |
| Cause | |
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| There is no fuel in the fuel tank | |
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| Faulty spark plug. | |
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Engine does not start |
| Defective ignition cable. | |
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| Dirt in the carburettor or fuel line | ||
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| Starter motor does not turn over the engine | |
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| Defect safety switch | |
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| Battery flat | |
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| Bad contact between the cable and battery | |
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Starter motor does not turn over the | Lift lever for cutting unit in wrong position | ||
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Main fuse blown. | |||
engine |
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| Ignition lock faulty | ||
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| Brake not activated. | |
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| Faulty starter motor | |
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| Faulty spark plug. | |
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| Carburettor incorrectly set | |
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| Air filter clogged | |
Engine does not run smoothly |
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| Fuel tank vent blocked | ||
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| Ignition key defective | |
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| Dirt in the carburettor or fuel line | |
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| Choking or incorrectly adjusted throttle cable | |
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| Air filter clogged | |
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| Faulty spark plug. | |
Engine seems to have no power |
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| Dirt in the carburettor or fuel line | ||
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| Carburettor incorrectly set | |
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| Choking or incorrectly adjusted throttle cable | |
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| Engine overloaded | |
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| Faulty spark plug. | |
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Engine overheats |
| Air intake or cooling flanges blocked | |
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| Fan damaged | ||
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| Too little or no oil in engine | |
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| Ignition defective | |
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Battery does not charge |
| One or more battery cells faulty | |
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| Poor contact on the battery terminal cable connectors | ||
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| Blades are loose | |
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Machine vibrates |
| Engine is loose | |
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| One or more blades unbalanced, caused by damage or poor balancing after | ||
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| sharpening | |
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| Blades blunt | |
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| Long or wet grass | |
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| Cutting unit skew | |
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Uneven mowing |
| Grass blockage under hood | |
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| Different tyre pressures on right and left sides | ||
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| Engine speed too low | |
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| Drive belt slipping | |
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28 – English