Chapter 7 Reduction and Reversing
Gear
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____________________________
3,4JH3(B)(C)E
1-2 Specifications
Model
For engine models
Clutch
Forward
Reduction ratio
Reverse
Propeller shaft rpm (Forward)
Input shaft
Direction of rotation
I Forward
Output shaft
I Reverse
Control head
Cable
Remote control
Clamp
Cable connector
Outer diameter
Output shaft coupling Pitch circle diameter
Connecting bolt holes i
Position of shift lever
Lubricating oil
Lubricating oil capscity
Dry weight
Note
In
the
case
of
clutch model KM3A, when are larger pro-
peller
or
moment
of
inerta
of
the propeller than those list-
ed
in
the
table bellow is used, install the limiter (Option).
KM3A
3JH3BE
4JH3BE
Constant mesh gear with servo cone clutch (wet type)
2.33 2.64
2.33 2.64
3.04 3.04
3.04 3.04
1577 1396
1577
1396
Counter-clockwise, viewed from stern
Clockwise, viewed from stern
Counter-clockwise, viewed from stern
Single lever control
Morse. 33-C (cable travel 76.2mm
or
YANMAR made. standard accessory
YANMAR made, standard accessory
¢100mm
¢78mm
4-¢10.Smm
Right side, viewed from stern
SAE 20/30
0.452
12kg
Reduction ratio No. of blade
Diameter of the propeller
Moment of inertia (GD'kg-m')
Material
3 450
2.33
4 425
3
470
2.64
4
440
3.21
3 490
4
460
(mm)
7-2
_;;,;0_15
~0.19
~0.23
Bronze
Printed in Japan
HINSHI-H8009
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