TROUBLESHOOTING
Problem |
| Cause |
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|
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Engine will not start | • | Blade lever is engaged |
| • Steering controls are not locked in neutral position | |
| • Driver is not sitting in driver’s seat | |
| • Parking brake is not activated | |
| • | Battery is dead |
| • Contamination in carburetor or fuel line | |
| • Fuel supply is closed or tap for fuel tank is in wrong | |
|
| position |
| • Clogged fuel filter or fuel line | |
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|
Starter does not turn the engine over | • | Dead battery |
| • Poor contacts on the battery terminal cable connections | |
| • | Fuse blown |
| • | Ignition system faulty |
| • Fault in the starter safety circuit, see Safety System in the | |
|
| Maintenance section |
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Engine runs rough | • | Faulty carburetor |
| • Choke control used with warm engine | |
| • | Defective valves |
| • Defective piston, cylinder, piston ring, or | |
|
| cylinder head seal |
| • Cylinder head bolts are loose | |
| • Clogged fuel filter or jet | |
| • Clogged ventilation valve on fuel cap | |
| • Fuel tank nearly empty | |
| • | Fouled spark plug |
| • Spark plug is loose | |
| • | Defective ignition cable |
| • Defective spark plug electrode | |
| • Defective spark plug connection | |
| • Rich fuel mixture or | |
| • | Wrong fuel type |
| • | Water in fuel |
| • | Clogged air filter |
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