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 3–23 3–19. DU CONTROL PANEL SWITCH BOOT MAINTENANCE INSTRUCTIONS DESCRIPTION This task covers: a. Removal b. Installation INITIAL SETUP Tools: Tool Kits,TK–100/G (item 48, Appendix E) Materials/Parts: Sealing Compound (item 25, Appendix D) Equipment Conditions: Unenergized DU on workbench. Personnel Required: One MOS 35Y a. REMOVAL NOTE Ensure that switch(es) do not drop to the inside of DU when removing boot from control panel. 1. Remove two screws (1) from switch guard (2). 2. Lift switch guard (2) and unscrew switch boot (3) from switch (4). 3. Remove switch boot (3), switch guard (2), and seal washer (5) that secure switch (4) to control panel. 4. Lift switch guard(s) (6) and unscrew switch boots(s) (7) from switch(es) (8). 5. Remove switch boot(s) (7), switch guard(s) (6), and seal washer(s) (9) that secure switch(es) (8) to control panel. b. INSTALLATION 1. Install seal washer(s) (9), switch guard(s) (6), and switch boot(s) (7) securing switch(es) (8) to control panel. 2. Install seal washer (5), switch guard (2), and secure guard to control panel using two screws (1). 3. Install switch boot (3) on switch (4) securing switch to control panel. 1 2 3 4 5 6 7 8 9 6 7 8 9