LOCATION AND DESCRIPTION OF MAJOR COMPONENTS AND SYSTEMS (CONTINUED)ELECTRICAL SUPPLY SYSTEMS AND COMPONENTSFour 12-volt batteries, connected in series and parallel, deliver 24The voltage regulator controls the supply of 24 vdc to the vehiclevdc to the master relay. The MASTER switch on the driver’s con-electrical systems through the master relay. It also acts as atrol panel, when turned to ON position, draws 24 vdc from the bat-charger for the batteries when the engine is operating, keeping theteries and will allow operation of the vehicle electrical systemsbatteries at full charge voltage. The APU electrical generator sup-without the main engine running. The engine driven alternator sup-plies 24 vdc through the APU voltage regulator to operate the vehi-plies 24 vac to the rectifier when the engine is operating. The rec-cle electrical systems and to recharge the batteries when the vehicletifier converts the alternator ac voltage output to dc voltage, whichmain engine is not in operation.in turn is supplied to the voltage regulator.TA3099331-17TM 9-2350-267-20
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