TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 THEORY OF OPERATION — Continued 0003 00 ELECTRICAL SYSTEM (M1068 ONLY) NOTE See foldouts FO-9 thru FO-12 in the rear of TM for wiring diagrams. The electrical system is designed to sense pressures and temperatures, activate panel indicators, and generate and store electrical energy. The components and their functions are: Batteries (1) store a supply of 24 V dc power. Generator (2) supplies 24 V dc power for the system. Regulator (3) controls voltage output of the generator. Starter (4) cranks the engine. Master switch panel (5) connects electrical power from batteries to the system. Panel is main junction point for the main harnesses and circuit breakers. Heaters and radios are wired direct to batteries. Instrument panel (6) contains gauges and switches necessary to control carrier. Warning light panel (7) indicates overheating or low oil pressure in major components of power plant. Wiring harnesses (8) distribute power to engine, transmission, differential, and other components. Infrared headlights (9) are used for night vision. Blackout marker lights (10) and blackout headlight (11) are used for driving in blackout conditions. 0003 00-16