Sakai SW800 Series, Shop Manual

Page: 65 / 159

2-051
Electric System
BR
B
3
5
6
1
2
65A
E
B
P1
P2
AR
E
A
B
M
C
D
A
B
M
C
D
SW8002037
Starter switch
Diode
Battery relay
Battery
Fusible link
Terminal D starts rotating
Insulated part
(shaded area)
Engine stop relay
Terminal D stops rotating
Engine
stopper
When stopping:
• Turning the starter switch OFF breaks the
contact between terminal B and terminal
BR, deenergizing the engine stop relay.
The current is delivered in the sequence as
in the following: Battery relay → Terminal A
of engine stopper
→
Terminal C of engine
stopper → Terminal (6) of engine stop relay
→
Terminal (3) of engine stop relay
→
Plus
(+) terminal of motor in engine stopper. The
motor runs. (The control cable is retracted.)
• Terminal D rotates with the motor.
When the insulated portion of terminal D
reaches terminal C, the circuit between
terminal A and terminal B is open to cut off
current from the battery.
The motor continues running by inertia.
When the metal portion of terminal D
touches terminal C, both terminals of the
motor lead to earth. The motor is shut down.
• In this condition, the control cable is com-
pletely retracted. The injection pump stop
lever stays in the STOP position to cut off
the fuel supply. The engine stops.
When stopping: