| Troubleshooting schedule | |
Problem | Procedure | |
Engine does not start | There is no fuel in the fuel tank | |
| Spark plug defective | |
| Faulty spark plug connections or interchanged cables | |
| Dirt in the carburettor or fuel line | |
| Starter motor does not turn over the engine | |
Starter motor does not turn over | Battery flat | |
the engine | ||
Bad contact between the cable and battery | ||
| ||
| Lift lever for cutting unit in wrong position | |
| Main fuse blown. | |
| This fuse is in front of the battery, under the battery cover. | |
| Ignition lock faulty | |
| Hydrostat pedals not in the neutral position | |
| Faulty starter motor | |
Engine does not run smoothly | Faulty spark plug. | |
| Carburettor incorrectly set | |
| Air filter clogged | |
| Fuel tank vent blocked | |
| Ignition key defective | |
| Dirt in the carburettor or fuel line | |
| Choking or incorrectly adjusted throttle cable | |
Engine seems to have no power | Air filter clogged | |
| Faulty spark plug. | |
| Dirt in the carburettor or fuel line | |
| Carburettor incorrectly set | |
| Choking or incorrectly adjusted throttle cable | |
Engine overheats | Engine overloaded | |
| Air intake or cooling flanges blocked | |
| Fan damaged | |
| Too little or no oil in engine | |
| Ignition defective | |
| Faulty spark plug. | |
Battery does not charge | One or more battery cells faulty | |
| Poor contact on the battery terminal cable connectors | |
Machine vibrates | Blades are loose | |
| Engine is loose | |
| One or more blades unbalanced, caused by damage or poor balancing after sharpening | |
Uneven mowing | Blades blunt | |
| Cutting unit skew | |
| Long or wet grass | |
| Grass blockage under hood | |
| Different tyre pressures on right and left sides | |
| ||
| Engine speed too low | |
| Drive belt slipping |
English – 43
