TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P 2-14. MAINTENANCE OF ADAPTER ASSEMBLY AND COUNTER ASSEMBLY (CONT). REASSEMBLY/INSTALLATION NOTE Apply a light coat of aircraft grease (item 7, appx C) to all moving parts. 1 Apply sealing compound (item 10, appx C) to edges of observation windows (1 and 2). 2 Install mask (3) and index (4) in adapter (5). 3 Install observation windows (1 and 2). Remove excess sealing compound. 4 Install setscrew (6) and setscrew (7). 5 Install light conductor (8), retaining strap (9), new lockwasher (10), and screw (11). 6 Apply adhesive sealant (item 5, appx C) to mechanical post (12). 7 Install spring (13), detent plunger (14), and mechanical post (12) to adapter (5). 8 Install cover (15), helical torsion spring (16), and rod (17). 2-46