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IMPORTANT: It is essential that all operator safety mechanisms be connected and in proper operating
condition prior to mower use.
When a problem occurs, do not overlook the simple causes. For example, starting problems could be
caused by an empty fuel tank.
The following table lists some of the common causes of trouble. Do not attempt to service or replace
major items or any items that call for special timing of adjustments procedures. Have this work done by
your Service Dealer.
PROBLEM
Engine will not start
Starter does not turn the engine over.
Engine runs rough.
TROUBLESHOOTING
POSSIBLE CAUSE
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Contamination in the carburetor or fuel line.
Fuel supply is closed or the tap for the fuel
tank is in the wrong position.
Clogged fuel filter or fuel line.
Faulty ignition system.
Blade switch is engaged.
Steering controls are not locked in the neutral
position
Parking brake is not activated
Dead battery.
Poor contacts on the battery terminal cable
connections.
Fuse blown.
Ignition system faulty.
Fault in the starter safety circuit See Safety
Interlock System in the Maintenance section.
Faulty carburetor.
Choke control is pulled out with warm engine.
Clogged fuel filter or jet.
Clogged ventilation valve on the fuel cap.
Fuel tank nearly empty.
Fouled spark plug.
Spark plug is loose.
Rich fuel mixture or fuel-air mixture (gasoline).
Wrong fuel type (gasoline).
Water in the fuel (gasoline).
Clogged air filter
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