TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download
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TM 9–1200–215–34&P 1–12 e. The Power Conditioning Unit (PCU) is comprised of an aluminum casting electronic housing, power supply, harness assembly, and external connectors. The location of these components is shown in the following illustration: LEGEND: (1) PCU MAIN CCA (2) TOP COVER ASSEMBLY (3) EMI GASKET (4) ELECTRONIC HOUSING (5) HANDLE 1 2 3 4 5