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 3–13 3–15. SWITCH 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) 3/16” Flat Tip Screwdriver Socketwrench (item 23, Appendix E) Work Station Kit, Electronic (item 38, Appendix E) #2 Crosstip Screwdriver Socketwrench (item 22, Appendix E) Materials/Parts: Lockwasher (item 1, Appendix F) Personnel Required: One MOS 35Y Equipment Conditions: DU bottom cover removed; if not, remove bottom cover in accordance with paragraph 3–13 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 screws (1) securing connector A2P1 (2) to switch panel receptacle A2J1 (3) and disconnect connector from switch panel. 3. Unscrew two screws (4) securing connector A2P2 (5) to switch panel receptacle A2J2 (6) and disconnect connector from switch panel. 4. Remove screw (7), lockwasher (8), flat washer (9), and cable clamp (10) securing DU–Serial cable assembly to DU housing. Discard lockwasher. 3 4 5 6 8 9 7 10 1 2