32
Governor System
KohlerEngines.com 14 690 12 Rev. --
Governed speed setting is determined by position of
throttle control. It can be variable or constant, depending
on engine application.
Governor is designed to hold engine speed constant
under changing load conditions. These engines are
equipped with a centrifugal fl yweight mechanical
governor. Governor gear/fl yweight mechanism of
mechanical governor is mounted inside oil pan and is
driven off gear on camshaft.
GOVERNOR
Governor Components
H
F
E
J
B
L
C
K
A
G
D
I
M
L
A
Governor Cross
Shaft
B
Brake Spring (if
equipped)
C
Brake Lever (if
equipped)
D Control Bracket
E Governor Lever F Nut G Screw H Governor Spring
I
Throttle Linkage
Spring
J Throttle Linkage K
Governor Gear
Assembly
L Flyweights
M Regulating Pin
This governor design works as follows:
● Centrifugal force acting on rotating governor gear
assembly causes fl yweights to move outward as
speed increases. Governor spring tension moves
them inward as speed decreases.
● As fl yweights move outward, they cause regulating pin
to move outward.
● Regulating pin contacts tab on cross shaft causing
shaft to rotate.
● One end of cross shaft protrudes through crankcase.
Rotating action of cross shaft is transmitted to throttle
lever of carburetor through external throttle linkage.
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