Section III. GOVERNOR - TM-10-3930-632-340061

TM 10-3930-632-34

NOTE

Install and adjust the carburetor (TM 10-3930-632-

Replace carburetor if float position is off more than

1/16 inch.

12).

6-7.

Installation

Section III. GOVERNOR

to the carburetor throttle control to increase fuel flow to

6-8.

General

the engine and increase engine speed. In this manner,

the engine speed is regulated.

The governor is a sealed built-in unit, driven by the

timing gears and lubricated from the engine oil supply.

6-9.

Removal and Disassembly

The governor is the centrifugal, variable speed, flyball

type that controls speed by adjusting the amount of travel

Remove the counterweight, muffler, and

of the control rod to the carburetor. As the camshaft

timing gear rotates, the drive assembly balls are pressed

radiator (TM 10-3930-632-12).

against the outer slant of the race assembly to push the

Remove the fan and generator drive belts (TM

race outward. The race assembly in turn presses against

10-3930-632-12).

the lever and shaft assembly which is connected to the

Remove crankshaft pulley (para 9-19).

carburetor throttle control through a direct linkage. The

Disconnect the linkage from the governor arm

throttle plate is closed by this action, slowing the engine

(TM 10-3930-632-12). Disconnect the spring (1, fig. 6-3)

to governed speed. As the engine slows, less pressure is

and remove the nuts (2), lockwashers (3), and adjusting

exerted by the balls, and the race assembly moves

bolt (4) from the bracket (6).

inward. This movement is transferred through the linkage

Figure 6-3. Governor Assembly. Exploded View.

6-4