ARMY TM 9-6115-641-10AIR FORCE TO 35C2-3-456-11The batteries are charged by the battery chargingalternator that is belt driven by the engine. Generator setcontrol system power is also supplied by the batterycharging alternator. The BATTERY CHARGE ammeterindicates the charge/discharge rate of the batteries, from-10 AMPS to +20 AMPS, in 5 AMPS increments. Normaloperating indication depends on the state of charge in thebatteries. A low charge, such as exists immediately afterengine starting, will cause a high reading (needle movestoward CHARGE area). When the charge in the batterieshas bean restored, the indicator moves near zero, 0.1-12 The Fuel System (FIGURE 1-4), consists of piping, fueltank, fuel filter, electrically driven transfer pump, fuelfilter/water separator, two injection pumps and twoinjectors, one for each cylinder. Fuel is drawn from the fueltank by the transfer pump when the MASTER SWITCH isin the PRIME & RUN position. After reaching the transferpump, fuel passes through a fuel filter/water separatorwhere water and small impurities are removed. The fuelthen goes to the injection pumps where it is pressurizedand pushed into the injectors. Through the injectors fuelenters the diesel engine combustion chamber, where it ismixed with air and ignited. The fuel that is not used isreturned to the fuel tank via an excess fuel return line.The Auxiliary Fuel System consists of an external fuelsupply, fuel filter piping, a 24 VDC auxiliary fuel pump anda fuel Ievel float switch. When the MASTER SWITCH isset on PRIME& RUN AUX FUEL it actuates the auxiliaryfuel pump and transfers fuel from the externalFigure 1-4. Fuel System1-12 Change 1
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