TROUBLE SHOOTING GUIDE
Trouble Shooting Guide
Problem | Cause | |
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The engine will not start. | • | The blade switch is engaged. |
| • | The steering controls are not locked in the |
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| neutral position. |
| • | The driver is not sitting in the driver’s seat. |
| • | The parking brake is not activated. |
| • | The battery is dead. |
| • | Contamination in the carburetor or fuel line. |
| • | The fuel supply is closed or the tap |
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| for the fuel tanks is in the wrong position. |
| • | Clogged fuel filter or fuel line. |
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The starter does not turn the engine over. | • | Dead battery. |
| • | Poor contacts on the battery terminal |
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| cable connections. |
| • | Fuse blown. |
| • | Ignition system faulty. |
| • | Fault in the starter safety circuit. |
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| See Checking the Safety System on page 38. |
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The engine runs rough. | • | Faulty carburetor. |
| • | The choke control is pulled out with a warm |
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| engine. |
| • | Defective valves. |
| • | Defective piston, cylinder, piston ring, or |
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| cylinder head seal. |
| • | The cylinder head bolts are loose. |
| • | Clogged fuel filter or jet. |
| • | Clogged ventilation valve on the fuel cap. |
| • | Fuel tank nearly empty. |
| • | Defective spark plugs. |
| • | The spark plugs are loose. |
| • | Defective ignition cable. |
| • | Defective spark plug electrode. |
| • | Defective spark plug connection. |
| • | Rich fuel mixture or |
| • | Wrong fuel type. |
| • | Water in the fuel. |
| • | Clogged air filter. |
