Suzuki GS1000 (1980) Инструкция по эксплуатации онлайн [104/477] 114749

Содержание

FUEL SYSTEM CARBURETORS Mixture Air Fuel NEEDLE VALVE Fig 8 6 Main system FLOAT UNIT The float unit consists of a float needle valve etc The float unit regulates the fuel level in the carburetors to ensure uniform fuel mixing If the fuel level is too low it is difficult to draw the gasoline and the mixed gas will become lean On the other hand if the fuel level is too high it is too easy to draw the gas and the mixed gas will be rich Fuel level means the distance from the center of the carburetor s main bore to the surface of the gasoline in the float chamber It is kept regulated by the opening or closing of the float valve When the gasoline flows in through the float valve the fuel level of the float chamber rises and the float goes up at the same time to push the needle up When the gasoline reaches the required level the needle contacts close to the seat completely stopping the flow of gasoline When the fule level falls as the gasoline is consumed the float and needle will fall to allow the gasoline to flow in If foreign matter is caught between the valve seat and the needle the gasoline will continue flowing and overflow If the seat and needle are worn beyond the permissible limits similar troubles will occur Conversely if the needle sticks the gasoline will not flow into the float chamber To service and inspect remove the carburetors float chambers and floats and clean the float chambers and float parts with gasoline If the needle is worn as shown below replace it together with a valve seat Clean the fuel passage of the mixing chamber with compressed air Fig 8 8 8 5

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