Troubleshooting schedule |
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Problem | Cause |
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Engine does not start | There is no fuel in the fuel tank |
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| Spark plug defective |
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| Faulty spark plug connections or interchanged cables |
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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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Starter motor does not turn over the engine | Battery flat |
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| Bad contact between the cable and battery |
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| Lift lever for cutting unit in wrong position |
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| Main fuse blown. |
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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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Engine does not run smoothly | Faulty spark plug. |
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| Carburettor incorrectly set |
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| Air filter clogged |
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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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Engine seems to have no power | Air filter clogged |
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| Spark plug defective |
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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 overheats | Engine overloaded |
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| Spark plug defective |
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| 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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Machine vibrates | Blades are loose |
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| 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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Uneven mowing | Blades blunt |
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| Long or wet grass |
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| Cutting unit skew |
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| 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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English – 27