R1600 Load Haul Dump Machine Electrical System Engine Shutdown Caterpillar


Engine Shutdown
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The components of the engine shutdown circuit are the ground level shutdown switch and the Engine Electronic Control Module (Engine ECM).




Illustration 1g00913107

Right side of machine

(1) Ground level shutdown switch




Illustration 2g00913108

Rear side view of engine

(2) Engine ECM

The ground level shutdown switch is used on the machine to provide Engine ECM (2) with a engine shutdown mode.

Ground level shutdown switch (1) has two sets of contacts: normally closed (NC) and normally open (NO). The Engine ECM has two inputs: normally closed (NC) and normally open (NO). This signal from the ground level shutdown switch is sent to the Engine ECM. The Engine ECM will shut the engine down.

The ground level shutdown switch will reset when the knob is turned clockwise. This shutdown method should only be used in an emergency.




Illustration 3g01019307

Engine shutdown circuit

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