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 4–13 4–16. CIRCUIT CARD ASSEMBLIES (CCAs) A2, A3, A4, AND A5 DESCRIPTION This task covers: a. Removal b. Installation INITIAL SETUP Tools: Tool Kit, JTK–17LAL (item 34, Appendix E) Tool Kit, General Mechanic’s (item 42, Appendix E) Torque Wrench, 0–75 in.–lb (item 40, Appendix E) Bit, Screwdriver (item 44, Appendix E) Work Station Kit, ESD (item 38, Appendix E) Materials/Parts: Sack, Shipping (item 23, Appendix D) Equipment Condition: Top cover assembly removed; if not, remove top cover in accordance with paragraph 4–13 Personnel Required: One MOS 35Y a. REMOVAL CAUTION ESD SENSITIVE The PDIU 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. NOTE Note position of CCAs when removing to aid in installation. 2. Loosen two screws (1) on card holder (2) of CCA to be removed. 3. Remove CCA. 1 2 A2 A3 A4 A5