Yanmar 3JH3E - 4-6 Connecting rod; 4-7 Cam shaft; 4-8 Crank shaft

Chapter 10 Disassembly and Reassembly
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4-6 Connecting rod
Model
Item
Large end inner dia.
Large end hole
Crank pin metal thickness
Crank pin outer dia.
Oil clearance
Small end hole inner dia.
Small end hole
Piston pin outer dia.
Oil clearance
Distortion and parallelism
4- 7 Cam shaft
I
~--------------------~~~
Cam shaft outer dia.
Gear side
Oil clearance
Cam shaft outer dia.
Middle
Oil clearance
Cam shaft outer dia.
Flywheel side
Oil clearance
4-8 Crank shaft
=------------------=
It
Crank shaft
Journal Thickness
of metal
Oil clearance
Distortion
10-38
3JH3(B){C)E
4JH3(B)(C)E
Standard
51.000~51.010
1.492~ 1.500
47.952~47.962
0.038~0.074
26.025~26.038
25.987~26.000
0.025~0.051
0.05 or lower for 100
mm
3JH3(B)(C)E 4JH3{B}(C)E
Standard
44.925~44.950
0.040~0.130
44.910~44.935
0.065~0.115
44.925~44.950
0.050~0.100
3JH3(B)(C)E
4JH3(B)(C)E
Standard
49.952~49.962
1.995~2.010
0.038~0.068
0.02 or lower
(mm)
Limit
-
-
47.91
0.16
26.10
25.90
0.2
0.08
(mm}
Limit
44.85
-
44.85
-
44.85
-
(mm)
Limit
49.91
-
0.15
-
Printed in Japan
HINSHI-H8009