The principal parts of each Governor are a gear type oil pump with pressure relief valve, flyweights pivoted on a rotating flyweight head, a spring-loaded pilot valve positioned by the flyweights.
Electrical governor has instead of control lever DC-Micromotor that varies the speeder spring preload acting on a pilot valve. The Actuator includes mechanical stops at maximum and minimum RPM position. The RPM Actuator absolute position is sensing by the position sensor.
