TROUBLE SHOOTING
Problem | Cause | |
Engine will not start | • | Blade switch is engaged. |
| • Steering controls are not locked in the neutral position | |
| • Parking brake is not activated | |
| • | Battery is dead |
| • Contamination in the carburetor or fuel line. | |
| • Fuel supply is closed or the shutoff valve for the fuel tank is in | |
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| the wrong position |
| • Clogged fuel filter or fuel line | |
| • | Ignition system faulty |
Starter does not turn the engine over | • | Battery is dead |
| • Poor contact of the battery terminal cable connections | |
| • | Blown fuse |
| • Fault in the starter safety circuit. See Checking the Safety | |
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| System in the “Maintenance Section” |
Engine runs rough | • | Faulty carburetor |
| • Choke control is pulled out with a warm engine | |
| • Clogged fuel filter or jet | |
| • Clogged ventilation valve on the fuel cap | |
| • Fuel tank nearly empty | |
| • | Fouled spark plugs |
| • Rich fuel mixture or | |
| • | Wrong fuel type |
| • | Water in fuel |
| • | Clogged air filter |
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Engine seems weak | • | Clogged air filter |
| • | Fouled spark plugs |
| • | Carburetor incorrectly adjusted |
| • Air trapped in hydraulic system | |
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Machine vibrates | • | Blades are loose |
| • Blades are incorrectly balanced | |
| • | Engine is loose |