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 3–10 3–14. ELECTROLUMINESCENT P ANEL 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) Torque Wrench, 0–150 in.–lb (item 41, Appendix E) Work Station Kit, Electronic (item 38, Appendix E) #1 Crosstip Screwdriver Socketwrench (item 21, Appendix E) 3/16” Flat Tip Screwdriver Socketwrench (item 23, Appendix E) Materials/Parts: Nuts, Self–Locking (item 2, Appendix F) Cleaning Cloth (item 13, Appendix D) Alcohol, Denatured (item 4, Appendix D) Packing, Preformed (item 11, Appendix F) 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. Remove two self–locking nuts (1) and two flat washers (2) securing handle (3) to DU housing. Remove handle and two preformed packings (4) from housing. Discard self–locking nuts and preformed packings. 3. Unscrew two captive screws (5) securing connector A1P3 (6) to EL panel receptacle (7). Disconnect connector from EL panel. 4. Unscrew two captive screws (8) securing connector A1P1 (9) to EL display receptacle (10). Disconnect connector from EL panel. 5. Unscrew two captive screws (1 1) securing connector A1P4 (12) to EL panel receptacle J4 (13). Disconnect connector from EL display. Change 1 1 2 3 7 10 13 4 12 11 8 9 6 5