12. Electrical System
175
12.3 Starting Motor
A starting motor turns the ring gear installed on a engine flywheel by the pinion while overcoming
resistance such as the compression pressure and the friction loss of the engine and makes the engine
start.
12.3.1 Specifications
12.3.2 Characteristics
YANMAR Part No. 129608-77010
HITACHI Model No. S114-817A
Nominal power (kW)
Nominal voltage (V)
Rating (sec)
Direction of Rotation
(Looking from the Pinion side)
Number of Pinion teeth
Weight (kg)
1.4
12
30
Clockwise
11
3.0
No load Terminal voltage (V)
Electric current (A)
Revolutions (min
-1
)
11
90 (MAX)
2,700 (MIN)
Load Terminal voltage (V)
Electric current (A)
Torque (N•m)
Revolutions (min
-1
)
8.4
250
8.3 (MIN)
1,000 (MIN)
Voltage (V)
0
1000
2000
3000
4000
6000
5000
0
8
16
24
32
48
40
0
0.4
0.8
1.2
1.6
2.4
2.0
0
2
4
6
8
12
2000 400 600 800
Speed (min
-1
)
Torque (N m)
Output (kW)
10
Current (A)
Standard Performance 12V 1.4kW
V
kW
min
-1
N m
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