TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download

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TM 9-1240-401-34&P 5-14. LAMP ASSEMBLY AND RELATED PARTS (M117) MAINTENANCE INSTRUCTIONS - continued a. Removal/Disassembly I 2 3 4 5 6 7 8 9 10 11 1 Remove machine screw (1), Iockwasher (2), and electrical connector cover (3). Discard Iockwasher. Remove LED (4). Remove four machine (6). screws (5) and access cover Remove machine screw (7), Iockwasher (8), ma- chine screw (9), and three lug terminals (10) with wires (11) attached. Discard Iockwasher. Unsolder wires (11 ) from three lug terminals (10). Remove machine screw (12) and housing (13). Using 11/16 and 45/64 inch tubular spanner wrench, remove threaded ring (14). Remove electrical lead (15) with wire and lug ter- minal (16) attached. Remove four machine screws (17), four lock- washers (18), and holder (19). Discard lock- washers. Remove and discard preformed packing (20). Remove lens (21) only if damaged. NOTE Remove second lamp assembly by repeating steps 1 and 2, then 7 thru 11. 5-16