Husqvarna RZ4621 BF / 966676501 用户手册
46
tROUbleSHOOtInG
Problem
Cause
engine will not start
blade switch is engaged.
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Steering controls are not locked in the neutral position
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Parking brake is not activated
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battery is dead
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Contamination in the carburetor or fuel line.
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fuel supply is closed or the shutoff valve for the fuel tank is in
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the wrong position
Clogged fuel filter or fuel line
Clogged fuel filter or fuel line
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Ignition system faulty
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Starter does not turn the engine over
battery is dead
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Poor contact of the battery terminal cable connections
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blown fuse
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fault in the starter safety circuit. See Checking the Safety
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System in the “maintenance Section”
engine runs rough
faulty carburetor
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Choke control is pulled out with a warm engine
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Clogged fuel filter or jet
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Clogged ventilation valve on the fuel cap
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fuel tank nearly empty
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fouled spark plugs
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Rich fuel mixture or fuel-air mixture.
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Wrong fuel type
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Water in fuel
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Clogged air filter
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engine seems weak
Clogged air filter
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fouled spark plugs
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Carburetor incorrectly adjusted
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Air trapped in hydraulic system
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machine vibrates
blades are loose
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blades are incorrectly balanced
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engine is loose
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