The drive gear of the oil pump has a bushing in which the pilot valve plunger moves up and down. The governor oil pump and ballhead are driven from a shaft in the governor drive housing.
When the position of the fulcrum is changed, the amount of movement possible of the actuating piston is changed.Ī hydraulic activated power piston is used to turn the output terminal shaft of the governor.Ī lever on the terminal shaft is connected to the fuel rack by a linkage rod.
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