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WSM U15-3
5. When the Key SW is stucked at the start position
(3)
ON-14-3
off
ON-14-1
on
Start
ON-14-2
(2)
(1)
(1)
Battery
(2)
Fuse 50A
(3)
Key SW
(4)
Fuse SA 5A
(5)
Auto release stabilizing relay
(6)
Auto release controller
(7)
Low-voltage detection
(8)
Rotation detection
1) The key switch may get stuck for some reason. Even if the engine has got started and the operator has
released the key, the key switch does not come back to the AC position.
2) With the key switch at the start position, the battery current starts flowing to turn on the auto release sta-
bilize relay (5).
3) But the alternator (10) is sending the turning signal to the auto release controller (6). In so doing, the
turning detection function gets activated and the auto release relay (9) turns off.
4) In this way, the battery current stops flowing to the starter (2). It helps protect the starter against burnout.
(4)
(5)
ON-320-2
ON-320-3
ON-320-4
ON-320-1
(7)
ON-310-2
(8)
ON-310-1
ON-113
60A
ON-25-2
ON-25-3
ON-25-1
(11)
(9)
(10)
(11)
(12)
(13)
(6)
L
ON310-4
(10)
Charge
Auto release relay
Alternator
Meter panel
Starter
To auto glow controller
II-148
ON-34-2
ON-34-3
(9)
ON-34-4
ON-34-1
ON-308-1
ON-309-1
(13)
(12)
ON-114
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