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Problem
The engine will not start.
The starter does not turn the engine over.
The engine runs rough.
The engine seems weak.
The machine vibrates.
48
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English
TROUBLESHOOTING
Cause
•
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 shut-off valve for
the fuel tank is in the wrong position.
•
Clogged fuel filter or fuel line.
•
Ignition system faulty.
•
Dead battery.
•
Poor contact of the battery terminal cable
connections.
•
Fuse blown.
•
Fault in the starter safety circuit.
See Checking the Safety System in the
"Maintenance Section"
•
Faulty carburetor.
•
The 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 fuel-air mixture.
•
Wrong fuel type.
•
Water in the fuel.
•
Clogged air filter.
•
Clogged air filter.
•
Fouled spark plugs.
•
Carburetor incorrectly adjusted.
•
Air trapped in hydraulic system.
•
The blades are loose.
•
The blades are incorrectly balanced.
•
The engine is loose.
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