Yanmar 4LHA-HTP Operation Manual page 373

Chapter 3 Fuel Injection Equipment
6. Governing Mechanism
6. Governing Mechanism
Depending on the purpose of use. mechanical
governors (those utilizing a flyweight) are di-
vided into three types:
1. The variable speed governor
2. The combination governor
3. The minimum-maximum speed governor
Variable Speed Governor Construction and Operation
Flyweight holder
Flyweight
Gear
Governor shaft
Feed pump
Drive shaft
Fig. 18 Variable speed governor construction
The construction of the variable speed gov-
ernor is shown in Fig. 18.
The rotation of the drive shaft (equipped with
Control lever Governor spring
Cam disk
3-1-16
Idling spring
Corrector lever
Tension lever
Full-load adjusting screw
Starting spring
Starting lever
Governor lever assembly
Plunger
Governor sleeve
two rubber dampers) is conveyed through an
acceleration gear to the flyweight
mounted on the governor shaft.
, 4LHA Series\
Spring
holder