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LIGWWEIGWTand
COMPACT
1.
Lightweight because of aluminum alloy being used for various parts including the crankcase made of aluminum
die
casting
2.
Compact in outside dimensions because-
a) the camshaft
is
assembled inside of the gear case cover, and accordingly total width of the engine
is
reduced,
b)
the cooling fan and the flywheel are single piece die casting; and the cooling fan
is
set on the side of the case
so
that it
may breathe in cooling air from the front, which means that the size of the fan casing becomes smaller and
total
length
of
the engine
is
also reduced.
FUEL
ECONOMY
and
NOISELESS TYPE ENGINE
Low
fuel consumption owing to improved fuel combustion system
having
adopted direct fuel injection; and noiseless
opera-
tion owing to the highly effective muffler and air cleaner
As
an optional part a balancer is available for minimizing vibration.
EASY
to
TAKE-OUT POWER
A
faucet joint is set in the blower housing, which enables direct coupling with a machine.
P.T.O.
shaft is connected
to
the
flywheel and accordingly
this
engine
is
very easy to handle. Furthermore, as cooling air is taken into from the front
of
case
(reverse side
of
the machine coupled), it
is
unnecessary
to
arrange air-intake
on
the
side
of
the machine. Therefore, it
is
easy
to couple a machme
to
the engine.
4.
GENERAL DESCRIPTION
of
ENGlME
CONSTRUCTION
This
engine is a Forced Air Cooled, 4-Cycle, Vertical, Single Cylinder, Overhead Valve Diesel Engine, and the combustion
system is direct injection type.
4-1
CRANKCASE
The crankcase is made of a one-piece aluminum alloy die
casting. On the side of pump, bearing is press-fitted; and on
the fan side cast iron bearing housing
is
arranged, and
it
sup-
ports the crankshaft by a ball bearing press-fitted to the
shaft.
Also,
on
the fan side, blower housing of aluminum
die casting
is
fitted.
This
blower housing has a faucet joint
and
it enables direct coupling with a machine. (See Fig.
1
.>
1
I
I.
Fig.
1
-
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