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 5–15 5–17. CABLE ASSEMBL Y MAINTENANCE INSTRUCTIONS DESCRIPTION This task covers: a. Removal b. Installation INITIAL SETUP Tools: Tool Kit, JTK–17LAL, TK–101/G, or TK–105/G (items 34, 35, & 36, Appendix E) Torque Wrench, 0–150 in.–lb (item 41, Appendix E) Work Station Kit, Electronic (item 38, Appendix E) 1–5/8” x 3/4” Drive Socket (item 17, Appendix E) Equipment Condition: Heatsink assembly removed; if not, remove heatsink assembly in accordance with procedure outlined in paragraph 5–16. Indicator removed; if not, remove indicator in accor- dance with procedure in paragraph 5–14. Personnel Required: One MOS 35Y a. REMOVAL CAUTION ESD SENSITIVE The VMS Modem contains ESD sensitive components. Wear a protective ESD wrist strap whenever handling components. Failure to comply may result in damage to equipment. 1. Attach ESD grounding strap to wrist and ground to ensure ESD protection. 2. Remove jam nuts (1) from cable assembly connectors J1 (2) and J2 (3). 3. Remove cable assembly connectors J1 (2) and J2 (3) from VMS modem housing (4). CAUTION The EMI shielding gasket is vital to this piece if equipment and is easily damaged. Handle with care when removing or replacing it. Gasket will break if stretched. Failure to comply may result in damage to equipment. 4. Remove EMI shielding gaskets (5 and 6) from J1 (2) and J2 (3) connectors. 5. Inspect EMI shielding gaskets (5 and 6) for cuts, nicks, and signs of stretching. Discard EMI shielding gasket if unserviceable. 6. Pull cable assembly (7) from VMS Modem housing (4). 2 3 4 5 6 7 TO LED’S 1