CARBURETTOR
GB
English – 27
Fig. 4 D E F G
Fig. 5 H G
Fig. 6 H F G
Fig. 7 E F G
Function
The carburettor operates differently in the following operating
states:
• Cold start
• Idling
• Part throttle
• Full throttle
In cold start mode (fig. 4), the choke butterfly (D) is completely
closed. This increase the vacuum in the carburettor so that
fuel is sucked more easily from the diffuser jets (E, F and G).
The throttle butterfly (H) is partially open.
In idling mode (fig. 5) the throttle butterfly (H) is closed. Air is
sucked through an aperture in the butterfly and a small
amount of fuel is supplied through the diffuser jet (G).
In part throttle mode (fig. 6) the throttle butterfly (H) is partially
open. Fuel is supplied through the diffuser jets (F and G).
In full throttle mode (fig. 7) both butterflies are open and fuel
is supplied through all three diffuser jets (E, F and G).
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
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