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 2–8 2–12. HARD DISK DRIVE AND 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, 0–75 in.–lb (item 40, Appendix E) Torque Wrench, 0–15 (item 39, Appendix E) #2 Crosstip Screwdriver Socket Wrench (item 22, Appendix E) Materials/Parts: Screw, Machine (item 10, Appendix F) Equipment Conditions: Unenergized ACU is on workbench Personnel Required: One MOS 35Y a. REMOVAL CAUTION ESD SENSITIVE The ACU 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. CAUTION The EMI shielding gasket is vital to this piece of equipment and is easily damaged. Handle cover with care when removing or replacing it. Failure to comply may result in damage to equipment. 2. Remove hard disk drive cover (1) by removing four screws (2), three screws (3) and seven flat washers (4). NOTE EMI shielding gasket is bonded to cover and must be replaced as a unit. 3. Inspect EMI shielding gasket for cuts, nicks, or signs of separation from cover. Discard cover if EMI shielding gasket is unserviceable. 1 4 4 3 2