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 6–12 6–14. CCA MAINTENANCE INSTRUCTIONS DESCRIPTION This task covers: a. Removal b. Installation INITIAL SETUP Tools: Tool Kit, 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) Work Station Kit, Electronic (item 38, Appendix E) #2 Crosstip Screwdriver Socketwrench (item 22, Appendix E) Materials/Parts: Sack, Shipping, (ESD) (item 23, Appendix D) Equipment Condition: Top cover assembly removed; if not, remove top cover assembly in accordance with procedure in paragraph 6–13. Personnel Required: One MOS 35Y a. REMOVAL CAUTION ESD SENSITIVE The PCU 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. Mark spacer (1) and top cover (2) for reassembly purposes. 3. Remove PCU Main CCA (3) by removing 11 screws (4), 11 flat washers (5), two screws (6), two flat washers (7), and two spacers (8). 4. Remove PCU Main CCA (3) and spacer (1). Secure CCA in ESD safe container. b. INSTALLATION CAUTION ESD SENSITIVE The PCU contains ESD sensitive components. Wear a protective ESD wrist strap whenever handling components. Failure to comply may result in damage to equipment. 4 5 3 1 2 7 7 6 6 8