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 3–18 3–17. KEYBOARD CABLE ASSEMBL Y MAINTENANCE INSTRUCTIONS DESCRIPTION This task covers: a. Removal b. Installation INITIAL SETUP Tools: Tool Kits, JTK–17LAL, TK–101/G, or TK–105/G (items 34, 35, & 36, Appendix E) Torque Wrench, 0–15 in.–lb (item 39, Appendix E) 3/16” Flat Tip Screwdriver Socketwrench (item 23, Appendix E) Work Station Kit, Electronic (item 38, Appendix E) Equipment Conditions: DU bottom cover removed; if not, remove bottom cover in accordance with paragraph 3–13 Personnel Required: One MOS 35Y a. REMOVAL CAUTION ESD SENSITIVE The DU 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. Unscrew two captive screws (1) securing connector A1P3 (2) to EL panel receptacle (3). Disconnect connector. 3. Unscrew two captive screws (4) securing connector A2P1 (5) to switch panel receptacle J1 (6). Disconnect connector, and remove cable assembly from DU housing. 1 2 4 5 3 6