Subaru Robin Power Products EY44-2 manual Carburetor, Operation and Construction see Figs -1-1and

9.CARBURETOR

9-1 OPERATION and CONSTRUCTION (see Figs. 9-1-1and 9-1-2)

9-1-1 FLOAT SYSTEM

The float chamber is located just below carburetor main body and serves to maintain the fuelI.eve1at a consitant height by a joint action of float (F) and needle valve (NV) incorporated. The fuel flowsfrom the fuel tank into float chambervia needle valve, which is kept open while the fuel level is low, but closed whenthefuel level reaches a predetermined level cowing the float to move up.

[THROTTLE	VALVE
	r-BY.PASS	r M A l N NOZZLE

Fig. 9-7-1

,-NEEDLE VALVE

FLOAT CHAMBER 1

Fig. 9-1-2

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