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In reassembly;
PISTON RING
(See Fig.
6-3-10)
1) Use a ring expander tool
to
prevent ring from
becoming distorted
or
broken when installing
onto
piston.
If an expander tool
is
not available, install rings by
placing the open end of the ring on first land
of
piston.
Spread ring only far enough
to
slip over piston and into
correct groove, being careful not to district ring.
(Fig.
6-3-1
0)
NOTE:
With
or
without expander tool, assemble bottom
ring first and
work
upward, installing
top
ring last.
2) Assemble two pistons while facing maker’s
mark
toward piston top.
CAUTION:
1.
BE CAREFUL NOT TO BROKEN THE RING.
2.
MOUNT SECOND RING
WITH
SCRAPER
EDGE
DOWN
OTHERWISE
OIL
PUMPING AND
EXCESSIVE
OIL
CONSUMPTION MA
Y
RESUL T.
Refer to Fig.
6-3-
11
for correct place-
ment of rings.
PISTON
and
CONNECTING
ROD
Assemble piston and connecting rod using piston pin with
clips mounted to both ends
of
piston
pin.
NOTES:
7.
Measure the cfearance between cylinder and piston
on thrust surface at skirt before assembly.
If
worn out severer than specified, replace
it.
2.
Since the piston pin center of piston for
EY44-2
is
offset from the center of piston by about
6
mm,
set piston to the match
mark
scribed at the top
of
piston.
In
case
of
Models
B and D,
set
BF and
Fig-
6-3-
10
TOP RING
.SECOND RING
,011
RING
DF marks to the
@
mark on the side of connecting
rod
before reassembly.
ASSEMBLY
of
CONNECTING
ROD
I)
Assemble connecting rod
so
that the
@
mark on its side faces flywheel side.
2)
Apply oil to large and
small
ends
of
connecting rod and crank pin sufficiently
3)
Assemble the connecting rod cap matching the marks on connecting rod.
Fig.
6-3-
11
4)
Mount new lock washers and them without fail.
CAUTION: ASSEMBLE OIL SCRAPER WITHOUT FAIL,
So
THAT THE TAB FACES TOWARD FLYWHEEL.
(When engine
is
operated while tilting
it
toward the
PTO
shaft side, assemble oil scraper tab
on
main bearing cover side.)
-1
6-