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

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3-39 TM 9-1240-401-34&P c. Assembly 1 2 3 4 5 6 Apply sealing compound to flange of cell (5) where lens (4) will be seated. Observe reference mark and install lens (4) in cell (5). Install spacer (3) in cell (5). Observe reference mark and install lens (2) in cell (5). Apply sealing compound (spot in three places), to threads of threaded ring (1). Using 2–9/16 and 2–37/64 inch tubular spanner wrench, install threaded ring. Clean excess sealing compound from surfaces of lenses (2 and 4). 3-24. RETICLE CAGE ASSEMBLY MAINTENANCE INSTRUCTIONS (M118A3) This task covers: a. Removal b. Disassembly c. Repair d. Assembly e. Installation INITIAL SET-UP Tools and Special Tools Lockwashers (2) (Item 76, appx E) Preformed packing (2) (Item 23, appx E) Spanner wrench, fabricated (fig. C-6, appx C) References Tool Kit, Electronic System, Repair, Field Mainte- TM 9-254 nance (SC5180-95-CL-B29) 5180-01-168-0487 M118A3 elbow telescope removed from howitzer (TM 9-2350-311-10) Grease (Item 7, appx B) Reticle cage and cant corrector subassembly Lockwashers (2) (Item 61, appx E) removed from eyepiece and erector lens subas- Lockwashers (8) (Item 68, appx E) sembly (ref. para 3-21)