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TROUBLE SHOOTING
45
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 •
the wrong position
Clogged fuel lter 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 • Safety System in the
Maintenance section
Engine runs rough Faulty carburetor•
Choke control is pulled out with a warm engine•
Clogged fuel lter 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 fuel•
Clogged air lter•
Engine seems weak Clogged air lter•
Fouled spark plugs•
Carburetor incorrectly adjusted•
Air trapped in hydraulic system•
Machine vibrates Blades are loose•
Blades are incorrectly balanced•
Engine is loose•