TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-400-34&P NOTE Steps 37 thru 39 are written and illustrated for reassembly of cover assembly. 37 Apply a coat of aircraft grease (item 7, appx C) to new preformed packing (44). 38 Apply adhesive (item 3, appx C) to packing retainer (45). 39 Install new preformed packing (44) and packing retainer (45) in cover (46). 40 Apply sealing compound (item 10, appx C) to threads of two screws (47). 41 Apply adhesive (item 4, appx C) to both sides of gasket (48). 42 Install gasket (48), cover assembly (49), and two screws (47). 43 Install knob (50) and screw (51) on adapter assembly (40). NOTE Steps 44 thru 46 are written and illustrated for reassembly of telescope subassembly. 44 If removed, apply sealing compound (item 10, appx C) and install sleeve (52) on cover (53). 45 Apply a light coat of sealing compound (item 10, appx C) to outer edges of two observation windows (54). 46 Install two observation windows (54) on cover (53) Wipe away any excess sealing compound. 2-37