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 4–17 4–18. ELECTRICAL INDICA TOR P ANEL DESCRIPTION This task covers: a. Removal b. Inspection c. Installation INITIAL SETUP Tools: Tool Kit, JTK–17LAL (item 34, Appendix E) Tool Kit, General Mechanic’s (item 42, Appendix E) Socket Wrench, screwdriver, crosstip #1 (item 45, Appendix E) Materials/Parts: Thread Compound (item 14, Appendix D) Cleaning Cloth (item 13, Appendix D) Preformed Packing (item 5, Appendix F) Lockwashers (item 6, Appendix F) Equipment Condition: DC–DC Converter (power supply) PS1 removed; if not, remove DC–DC Converter in accordance with paragraph 4–17 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. Damage to RFI/EMI contact strip may occur. Do not slide cover off of housing. Pick cover straight up. 1. Attach ESD grounding strap to wrist and ground to ensure ESD protection. 2. Remove eight screws (1), eight lockwashers (2), and eight flat washers (3) securing two tiebars (4 and 5) to filter assembly (6). Discard lockwashers. 3. Unlatch and disconnect connector P5 (7) from connector J8 (8). 4. Unscrew four connector retaining screws (9) and unplug connector P3 (10) and P4 (11) from filter assembly (6). Change 1 3 5 1 2 4 10 9 7 8 6 11