TM 9--2350--292--20--1GENERATOR SYSTEM OVERVIEW AND DIAGRAMS0081 00THIS WORK PACKAGE COVERS:Generator System Overview And DiagramsThe main engine generator and associated circuits provide a 28 V dc, 650 amp capacity output to provide the pri-mary source of vehicle electrical power. Also, the high capacity output of the generator permits using the generatoroutput as an alternate power source for other vehicles. The main generator output system consists of the genera-tor, voltage regulator, accessories relay, generator cutout switch, GENERATOR OUT indicator, 15--amp circuitbreaker and associated electrical wiring.When the main engine is running, the generator is the source of electrical power (+28 V dc) to operate the electri-cal components of the vehicle and to charge vehicle batteries. The generator is a high current output device thatconverts mechanical energy of the diesel engine into electrical power. A regulator controls the generator output.The regulator provides voltage regulation, current limiting, and overvoltage protection of the generator output. Inaddition, the regulator provides automatic control of the accessories relay. The generator output (+28 V dc) is sup-plied directly to the positive bus to the batteries and through either the accessories relay or master relay for dis-tribution throughout the vehicle. The output (+28 V dc) supplied through the accessories relay provides electricalpower to circuits that are part of engine accessories, the main engine monitoring system, the vehicle warning sys-tem, and the exhaust smoke generating system. The output supplied through the master relay provides systempower (+28 V dc) for the remainder of the vehicle electrical components.The relationship of the various components of the generator output system are shown in the diagram below.END OF TASK0081 00--1/2 blank
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