TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download
Page 85 of 266
TM 9–1200–215–34&P 2–50 2–24. BACKPLANE 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, 0–75 in.–lb (item 40, Appendix E) #1 Crosstip Screwdriver Socket Wrench (item 21, Appendix E) #2 Crosstip Screwdriver Socket Wrench (item 22, Appendix E) Materiels/Parts: Lockwasher (item 6, Appendix F) Screw, Machine (item 10, Appendix F) Screw, Machine (item 9, 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. NOTE T ag all cables before disconnecting to aid in the installation. 1. Attach ESD grounding strap to wrist and ground to ensure ESD protection. 2. Remove top panel in accordance with procedure outlined in paragraph 2–13. NOTE Screw and seal are a unit. They cannot be requisitioned separately . 3. Remove four screws with seals (1) from side of ACU and pull hard drive (2) from housing (3). Discard screw with seal. 4. Remove stabilizer brackets in accordance with procedure outlined in paragraph 2–14. Change 1 1 2 3