TM 9-2350-256-34-1CHAPTER 4MAINTENANCE OF MATERIEL USED INCONJUNCTION WITH MAJOR ITEMSection 1. AUXILIARY POWER UNIT4-1. Descriptionand pump form a compact unit which fits into theright forward corner of the vehicle engine com-a. General. The auxiliary power unit (fig. 4-1)partment. The generator electrical system isconsists of an air-cooled diesel engine with a chaindesigned to supply a maximum of approximatelycase, generator (which is also used as a starter), andhydraulic pump mounted to it. The chain case150 amperes of current at approximately 28 volts dcto charge the vehicle batteires. The pump suppliescovers three sprockets and a drive chain. With asupport and mounts, the engine, generator/starterpressure at 2000 ± 50 psi to the auxiliary hydraulicsystem.Change 2 4-1
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