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4-7
CYLINDER HEAD
The cylinder head is an aluminum die casting, and
forms a Ricardo type combustion chamber with am-
ple area for high combustion efficiency.
(See Fig.
8.)
4-8
GOVERNOR
The governor is a centrifugal flyweight type which
permits constant operation at the selected speed
against load variations. Governor gear is installed on
the bearing cover without fail,
and
it engages with
the cam gear after reassembling.
(See Fig.
9.)
Fig.
8
Main
Governor Gear Complete
Governor
Sleeve
-~
BQ
Fig.
9
4-9
COOLING
The cooling fan serving also as a flywheel cools the cylinder and cylinder head by forced air cooling. Cylinder
baffles
is
provided for guiding the cooling air
4-10
LUBRICATION
The rotating and sliding parts are being lubricated by
scooping and splashing the oil in the crankcase with
the
oil
scraper attached to the crankshaft.
(See
Fig.
10.)
I
Oi
I
Scraper
-
Fig.
70
-6-