4.
GENERAL DESCRIPTION
of
ENGINE CONSTRUCTION
4-1
CYLINDER, CRANKCASE
The cylinder and crankcase are single piece aluminum die
casting. The cyhder liner, made of special cast
iron,
is built
into the alminum casting. The intake
and
exhaust
ports
are
located on one side
of
the cyhder,
and
are also inserted
into the casting.
The crankcase
is
separable on the output shaft side, where
the main bearing cover
is
attached to it.
(See Fig.
1
.)
4-2
MAIN
BEARING
COVER
Fig.
1
The main
bearing
cover made
of
aluminum die casting is built
onto
the output shaft side of the crankcase
so
that the inside
of
the engine can readily be checked by simply removing the cover. It
is
provided with a flange
and
boss
for directly mount-
ing machmes, such as generators and pumps.
Two
oil
gauges also serving as
oil
filler caps can be mounted. (See Fig.
2
and Fig.
3.)
The
EY
15B engine has
2
chain guides and a built-in shelter plate to prevent
oil
from
being
stirred
by
the governor gear
(See
Fig.
4.)
Ring
for
Centering
/
Oil
Gauge
Oil
Gauge
Fig.
2
I
Governor Gear
Fig.
3
Chain
Guide
-
Shelter
Plate
1
Fig.
4
(E
Y
15B)
-4-
To Next Page
Loading...
Need help?
General
