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4-9
ROCKER COWER
Rocker cover is made of aluminum ailoy die casting and it
is
fitted to the cylinderhead and covers the rocker chamber.
Rocker cover has a breather; and the air breathed
is
brought
to the intake port.
(See Fig.
7.)
Fig.
7
.
.-
4-10
GOVERNOR
SYSTEM
!
The governor is
a
centrifugal flyweight type
and
is installed
’
on
the governor gear. Through
the
lever it adjusts the rack
:
of fuel injection pump and keeps constant operation at the
1
selected speed against load variations.
(See Fig.
8.)
Fig.
8
4-
I
f
LUBRICATION
SYSTEM
Lubrication is wholly filtered and pressurized lubrication
system by trochoid type
oil
pump. From the main gallery
in the crankcase the pressurized oil runs through the crank
journals and crankpins, and from the larger part
of
the rod
the
oil
is
supplied in the form
of
splash to the parts neces-
sary to be lubricated, while part
of
the
oil
also runs through
the bearings of camshaft to lubricate both intake and ex-
haust cams, and tappets.
Ths
system includes the governor
gears and it is installed in the crankcase.
(See
Fig.
9.)
fig.
9
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