Yanmar 4LHA-HTP Operation Manual page 389

Chapter 3 Fuel Injection Equipment
6. Governing Mechanism
Engine starting
Flyweight
Governor sleeve
Starting lever
Torque control lever
ig. 38 Operation of governor equipped with negative torque control device: engine starting
:
As in the variable speed governor or the com-
bination governor, the governor equipped with
the torque control device controls
through the action of the starting spring (a leaf
spring) mounted on the starting lever.
At starting the action of the starting spring
k ^ i v o t ) r > ~ ^
1
i
Control sleeve
starting
3-1-32
Starting spring
Plunger
pivots both the starting lever and the torque
control lever (connected at IVU) in a counter-
clockwise direction around point M2, thus
moving the control sleeve in the fuel-increase
direction to supply a fuel injection quantity
sufficient for starting.
t4LHA Series