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
-9-
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