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 2–48 2–23. CONNECTOR P ANEL ASSEMBL Y WITH MAIN CABLE MAINTENANCE INSTRUCTIONS CONTINUED b. INSTALLATION CONTINUED 12. Connect three ribbon cables (22, 23, and 24) and mouse cable J13 (25) to back of CPU CCA in the following sequence: J9, J5, J13, and J7. 13. Position CPU CCA (20) onto backplane (21) in ACU housing and secure by pushing down firmly on CCA. NOTE Ensure that hole in heatsink and transistor are aligned with spacer assembly before installing hardware. 14. Install CPU CCA heatsink (16) between transistor and CPU CCA and insert screw (15) into spacer assembly in ACU. Torque screw to 5 in.–lb (0.6 NSm). 15. Tighten screw (19) in Loktainer of CPU CCA and torque to 25 in.–oz. 16. Insert screw (17) and flat washer (18) into holddown of CPU CCA. Torque screw to 5 in.–lb (0.6 NSm). 17. Connect channel connector (12) to J2 connector (13) located on card edge of 1553 CCA (14). 18. Connect connector (10) to card edge of TCIM CCA (11) and secure by tightening two captive screws (9). 19. Install two insulating blocks (5) by inserting three screws (6), three new lockwashers (7) and three flat washers (8). 20. Secure main cable assembly (47) to housing by installing cable tie (46) with screw (45). 21. Install stabilizer brackets in accordance with procedure outlined in paragraph 2–14. 22. Install top panel in accordance with procedure outlined in paragraph 2–13. 12 10 9 8 7 6 8 7 6 11 13 14 5 5 15 16 17 18 19 23 22 24 25 45 46 47 21 20