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Assemble the
piston.
MOTE:
+
mark in the upper part
of
the piston
is
to
be faced to the fan side.
MOTE:
Piston rings are not assembled.
MOTE:
Shape of the piston pin.is
(D
.
(See
Fig.
38
.)
Assemble the cylinder
NOTE:
Insert the piston into the cylinder (piston
ring
is
not inserted.), and measure the dimensions of
the head
of
piston and upper surface of the cylinder.
NOTE:
The concave dimensions of the pistion
is
-0.6
-
-0.7
mm from the upper Surface of the Piston.
Fig. 38
MOTE:
Adjustment
of
the concavedimensions
is
to be made by the shim underneath the cylinder, and available thick-
ness
of
the shim are
0.1
mm and
0.2
mm.
MOTE:
Fit the piston rings on
the
piston.
Punched mark
"N"
are to be faced up. Open end
of
each ring must avoid the direction toward the thrust side and
it
is
to be
set
to the different three directions.
NOTE:
Set
the cylinder.
Be sure to
fit
rubber
"0"
ring and
shim.
Notched portion
of
the cylinder skirt must
be
set
on the side
of
the gear case cover.
(See
Figs.
39-1
and
39-2.)
TOP
RING
D
SECOND
RING
I
OIL
RING
23
1
Fig. 39-
7
7)
'
Install
the
flywheel.
(Use
41
mm
box
wrench.)
NOTE:
When putting lock washers on, be sure to
bend the tabs securely.
[Tightening
torque:
2,000
-
2,200
kg-cml
(See
Fig.
40.)
Fig. 39-2
fig.
40
-
22
-