Engine System, Diesel 227Service Manual – CS7000
Engine Protection
The engine will be automatically shut down by the main machine controller if the engine overheats or oil
pressure is lost.
When the engine is running, the main machine controller sends a 12 volt power supply out on connector J3
pin number 9 to power up the governor controller When the main machine controller wants to shut down the
engine, it removes this power supply to the governor controller. When the governor loses the power supply it
causes the engine to shut down.
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