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 5–9 5–14. INDICATOR 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, 0–75 in.–lb (item 40, Appendix E) 9/16” Crowfoot Attachment (item 10, Appendix E) Minigun, Hot Air (item 15, Appendix E) Work Station Kit, Electronic (item 38, Appendix E) Materials/Parts: Flux, Soldering, Liquid (item 17, Appendix D) Sleeving, Insulation (item 26, Appendix D) Solder, Wire Flux Core (item 27, Appendix D) Desoldering Wick (item 15, Appendix D) Type Cleaner (item 29, Appendix D) Band, Marker (item 7, Appendix D) Applicator, Disposable (item 5, Appendix D) Equipment Condition: Cover removed; if not, remove cover in accordance with procedure in paragraph 5–13. Personnel Required: One MOS 35Y a. REMOVAL CAUTION ESD SENSITIVE The VMS Modem 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. Remove indicator cap (1) by unscrewing cap and lifting from indicator base (2). 3. Remove LED (3) from indicator cap (1). 4. Remove jam nut (4) and lockwasher (5) securing indicator base (2) to modem housing. 5. Remove indicator base (2) from modem housing. 6. Using marker bands, label two wires (6 and 7) connected to indicator base (2). Label base. 7. Remove insulation sleeving (8) and desolder wires at solder posts (9 and 10). Discard insulation. 1 3 2 6 7 8 8 4 5 10 9 Change 1