4-7
CYLINDER HEAD
The cylinder head
is
an aluminum die casting, and
forms a Ricardo type combustion chamber with
ample 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. Govrnor gear is installed on
the bearing cover without fail, and
it
engages with
the cam gear after reassembling. (See Fig.
9.)
I
Fig.
8
Main
Be
!mor
Sleeve
Spacer
Q
-
Governor Gear Complete
Fig.
9
4-9
COOLING
The cooling fan serving also as a flywheel cools the cylinder and the cylinder head by forced air cooling. Cyl-
inder baffles
and
head cover are 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. (See Fig.
10.)
Fig.
10
-6-
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