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 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
for the fuel tanks is in the wrong position.
•Clogged fuel filter or fuel line.
The 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 Checking the Safety System in the Maintenance section.
The engine runs rough. | • | 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 ignition cable. | |
| • Rich fuel mixture or | ||
| • | Wrong fuel type. | |
| • Water in the fuel. | ||
| • | Clogged air filter. | |
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The engine seems weak. | • | Clogged air filter. | |
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