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18) Fuel filter
Fuel passage
The fuel flows as shown in the figure from the tank,
pressurized by the injection pump to high pressure, and fed
to the nozzle and injected to the combustion chamber.
The fuel after lubricating the nozzle needle is returned to
the tank through the overflow pipe.
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1. Tank 4. Injection pump
2. Nozzle and holder 5. Fuel pump
3. Fuel filter
Inspection
If water, dust, or other foreign matter is observed in the transparent plastic case, clean and replace the filter if necessary.
Disassembly and reassembly
(1) Remove the filter turning the filter ring nut.
NOTE: Take care to the O-Ring fitted between the ring nut and filter body, coat with grease before tightening.
(2) Apply the grease to the element attaching place of the filter body, and install the element by hand.
19) Governor
Structure and functions
Governor
This governor is a mechanical all-speed governor. It is
installed in the gear case. The fly weight ass’y is installed
to the cam shaft and its movement is transmitted to the
control rack of the injection pump through the slider
control lever link. The spring which controls the
movement of the fly weight is hitched to the arm COMPL
and tension lever. The spring tension is changed by
changing the governor lever so as to control the engine
speed.
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