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 2–45 2–23. CONNECTOR P ANEL ASSEMBL Y WITH MAIN CABLE MAINTENANCE INSTRUCTIONS CONTINUED a. REMOVAL CONTINUED NOTE Tag all cables before removing to aid in the installation. 1. Attach ESD grounding strap to wrist and ground to ensure ESD protection. 2. Remove ACU connector panel assembly (1) by removing 16 screws (2) and 16 flat washers (3). Lift connector panel assembly off housing. CAUTION The EMI shielding gasket is vital to this piece of equipment and is easily damaged. Handle with care when removing or replacing it. Failure to comply may result in damage to equipment. 3. Inspect EMI shielding gasket (4) for cuts, nicks, or signs of stretching. Discard EMI shielding gasket if unserviceable. 4. Remove top panel in accordance with procedure outlined in paragraph 2–13. 5. Remove stabilizer brackets in accordance with procedure outlined in paragraph 2–14. 6. Remove two insulating blocks (5) by removing three screws (6), three lockwashers (7) and three flat washers (8). Discard lockwashers. 7. Loosen two captive screws (9) securing card edge connector (10) to TCIM CCA (11). 8. Disconnect channel connector (12) from J2 connector (13) located on card edge of 1553 CCA (14). 9. Remove screw (15) and CPU CCA heatsink (16) from spacer assembly in ACU. 10. Remove screw (17) and flat washer (18) from holddown of CPU CCA. 11. Loosen screw (19) (approximately six turns) in Loktainer of CPU CCA. 8 7 6 8 7 6 11 13 2 3 1 12 10 9 14 5 5 15 16 17 18 4 19