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 3–8 3–13. BOTTOM COVER 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) #2 Crosstip Screwdriver Socketwrench (item 22, Appendix E) Work Station Kit, Electronic (item 38, Appendix E) Equipment Conditions: Unenergized DU is on workbench 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 bottom cover (1) by removing 18 screws (2). Lift bottom cover 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 (3) in groove in housing (4) for cuts, nicks, or signs of stretching. Discard EMI shielding gasket if unserviceable. Change 1 3 2 1 4