Governor System; Lubrication System; Cooling System - Robin DY23-2D Service Manual

4- 14 GOVERNOR SYSTEM
The governor is a centrifugal flyweight
type which permits constant operation at
the selected speed against load variations
by controlling the quantity of fuel injected.
Governor system is driven by the governor
gear engaged with cam gear.
(See Fig. 13.)
Refer to section 6 - 4 for details.
GOVERNOR LEVER
FIG. 13
4- 15 LUBRICATION SYSTEM
Lubricant is forcibly supplied by the trochoid pump to the crank journal and crankpin.
Other rotating parts and moving parts are lubricated by the splash
of oil.
Lubricant (engine oil) is wholly filtered by the oil filter installed on the main bearing
cover.
The trochoid pump
is driven by the governor
gear.
c
4- 16 COOLING SYSTEM
Cooling air is forced by the flywheel fan to blow through the cooling fins of cylinder
and cylinder head guided by the blower housing and the cylinder baffle.
Fuel injection pump is BOSCH type and
is driven by the camshaft.
The fuel from the tank is pressurized by
the injection pump and is supplied
to the
injection nozzle through the high pressure
pipe. (See Fig. 14.)
FIG. 14
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