ENGINE STOP SYSTEM
Engine stopping system is composed of key switch (4), flameout electromagnet (6) and flameout relay (5).
There are two kinds of work process: before engine is started and engine flameout.
Working process before engine is started:
When key switch (4) is turned to ―ON‖ gear, its terminal ―ACC‖ and ―B‖ is connected. Electric current goes
through security of electrical box (3) through positive pole of storage battery (2) and ―B‖ and ―ACC‖ terminals
of key switch, goes through holding coil of flameout electromagnet and earth connected and forms circuit.
Turns key switch(4) to ―START‖ gear, terminals ―ACC‖, ―C‖ and ―B‖ are connected. Electric current goes
through insurance of electrical box (3) from positive pole of storage battery (2) and terminals ―B‖ and ―C‖ of
key switch, flameout relay (5) coil is power on and works, flameout electromagnet (6) terminal 85 is power on,
pulls in coil and works, fuel injection pump is opened and lever is closed.
Then key switch will be back to ―ON‖ gear automatically, pulling in coil is broken, while coil is kept to be
power on, keep the state of lever closing.
Work process of engine flameout:
Turns key switch (4) to ―OFF‖ gear, its terminals ―ACC‖ and ―C‖ are power off. Electric current going through
flameout electromagnet (6) holding circuit and flameout replay (5) coil is cut off. Closing lever of fuel injection
pump is reset, fuel supplying is stopped, engine flames out.
SPC000025 Electrical System
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