Fuel System - Operation and Tests/In-line Injection Pump CTM3274 (01JUL99) 220-21 Saran Liter Engines 060799 PN=360 GOVERNOR OPERATION (IN-LINE PUMP) Governor maintains a set engine speed under varying loads. The injection pump governor is a mechanical centrifugal flyweight type contained in a housing assembled to the injection pump and serviced with the pump. The flyweights (L) are mounted on the injection pump camshaft. The flyweights move the thrust sleeve (k) in and out with changes in engine rpm. The thrust sleeve works against the tensioning lever (C). The tensioning lever is connected to the injection pump control rack (Q) by the link (P).
The governor spring (E) connects the tensioning lever assembly to the throttle lever (T). A—Governor cover -UN-22FEB99 B—Slow idle speed screw C—Tensioning lever D—Guide lever E—Main governor spring F—Slow idle spring screw G—Torque control spring CD30742 H—Full load adjusting screw J—Fulcrum lever K—Thrust sleeve L—Flyweight M—Swivel lever N—Rocker P—Link Q—Control rack R—Governor housing S—Starting spring T—Throttle lever CD,3274,G220,26-19-04JAN99 220 21