PISTONS
AND
CONNECTING
RODS
Installing
the
Piston
Assembly
Apply an ample amount
of
oil to the outside surfaces
of
the
piston and the piston rings. Position the piston rings and oil
ring (side rail spacer) end gaps as shown.
SIDE
RAIL
~
~
1
!/
~
FRONT
+
~
/)
iI2
SPACER
~
-:;::::>
""SIDE
RAIL
Insert the piston and connecting rod assembly into the
cylinder, working from the arrow mark on the piston top
toward the camshaft spcocket side.
FRONT
ARROW
MARK
Securely pressing the piston ring with the ring band, insert
the piston and connecting rod assembly into the cylinder.
Keep in mind that the piston ring may be damaged
if
hit too
strongly.
PISTON
RING
BAND
INSTALLER
LUBRICATE
WITH
OIL
Crankshaft/Bearing
Assembly
When the bearings are to be replaced, select the appropriate
bearings for assembly according to the identification marks
for the crankshaft and the connecting rod.
CRANKSHAFT
NO.3
NO.2
NO;1
r-----NO.1
ARM
CRANKSHAFT
PIN
DIAMETER
Identification
marks
(1)
/1\
(2)
G
(3)
C
Journal
Diameter
1.4171
-
1.4173in
(35.995
-
36.000mm)
1.4167
-
1.4171
in
(35.985
-
38.995mm)
1.4165
-1.4167in
(35.980
-
35.985mm)
CONNECTING
ROD
BIG
END
INNER
DIAMETER
Identification
Marks
o
I
II
Big
End
Inner
Diameter
1.5354
-1.5356in
(39.000
-
39.005mm)
1.5356
-1.5360in
(39.005
-
39.015mm)
1.5360
-
1.5362in
(39.015
-
39.020mm)
CONNECTING
ROD
BEARING
THICKNESS
Identification
Color
Bearing
Thickness
Brown
0.0586
-
0.0588in
(1.488
-1.493mm)
0.0588
-
0.0590in
(1.493
-1.498mm)
Blue
0.0590
-
0.0592in
(1.498
-1.503mm)
CONNECTING
ROD
BEARING
SELECTION
TABLE
Crankshaft
Pin
Connecting
Rod
Bearing
Identification
Marks
Identification
Marks
(1)
//\
I
Brown
n
Brown
m
(2)
G
I
Brown
rr
lIT
Blue
(3)
[
I
]I
Blue
lIT
Blue
0
IDENTIFICATION
COLOR
FRONT
CAGE
~.....,
,,_
IDENTIFICATION
MARK
CONNECTING
ROD
STOPPER
NOTCH
Engines & Generators
24
CYLINDER
NUMBER
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