ENGINE
F. GOVERNOR AND IDLE COMPENSAT I N G
a. Disassembled Vi e w
(1) Start Spring
(2) Governor Sping 1
(3) Governor Sping 2
(4) Fork Lever 1
(5) Fork Lever 2
(6) Fork Lever Shaft
(7) Fork Lever Holder
(8) Governor lever
(9) Fuel Camshaft
(10) Governor Ball Case
( 11) Steel Ball
(12) Governor Sleeve
(13) Steel Ball
The governor serves to keep engine speed constant by automatically adjusting the amount of fuel supplied to
the engine according to changes in the load. The engine employs an all-speed governor which controls
centrifugal force of the steel ball(13) weight, produced by rotation of the fuel camshaft (9), and tension of the
governor spring 1 (2) and 2 (3) are balanced.
b. Operation of Governor
a) At Start
The steel ball(13) has no centrifugal force. As the
fork lever 1 (4) is pulled by the start spring(1), the
control rack(14) moves to the maximum injection
position. At start, the sufficient injection of the fuel
enables easy starting.
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