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Troubleshooting schedule
Problem Procedure
Engine does not start There is no fuel in the fuel tank
Spark plug defective
Faulty spark plug connections or interchanged cables
Dirt in the carburettor or fuel line
Starter motor does not turn over the engine
Starter motor does not turn over
the engine
Battery flat
Bad contact between the cable and battery
Lift lever for cutting unit in wrong position
Main fuse blown.
This fuse is in front of the battery, under the battery cover.
Ignition lock faulty
Hydrostat pedals not in the neutral position
Faulty starter motor
Engine does not run smoothly Faulty spark plug.
Carburettor incorrectly set
Air filter clogged
Fuel tank vent blocked
Ignition key defective
Dirt in the carburettor or fuel line
Choking or incorrectly adjusted throttle cable
Engine seems to have no power Air filter clogged
Faulty spark plug.
Dirt in the carburettor or fuel line
Carburettor incorrectly set
Choking or incorrectly adjusted throttle cable
Engine overheats Engine overloaded
Air intake or cooling flanges blocked
Fan damaged
Too little or no oil in engine
Ignition defective
Faulty spark plug.
Battery does not charge One or more battery cells faulty
Poor contact on the battery terminal cable connectors
Machine vibrates Blades are loose
Engine is loose
One or more blades unbalanced, caused by damage or poor balancing after sharpening
Uneven mowing Blades blunt
Cutting unit skew
Long or wet grass
Grass blockage under hood
Different tyre pressures on right and left sides
Over-speeding
Engine speed too low
Drive belt slipping
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