TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download

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TM 9-1240-400-34&P 2-15. MAINTENANCE OF ELBOW ASSEMBLY, AND OPTICAL INSTRUMENT CELL ASSEMBLY. This task covers: a. Removal/Disassembly c. Repair b. Cleaning d. Reassembly/Installation INITIAL SETUP: Tools and Special Tools References Tool kit, electronic: system maintenance TM 9-254 (SC 5180-95-CL-B29) Gun, hand injection (7648117) Equipment Conditions Tubular spanner wrench, 1-5/8 and 2-19 Elbow assembly removed 1-41/64 (7597668) Tubular spanner wrench, 1-3/32 and General Safety Instructions 1-7/64 (7597651) Tubular spanner wrench, 1-25/32 and WARNING 1-51/64 (7597673) Tubular spanner wrench, 7/8 and 57/64 Use adhesives, cleaning solvents, (7597644) and sealing compounds in well- ventilated area away from open Materials/Parts flame. Adhesives, cleaning sol- Lockwasher (8) (MS35333-70) vents, and sealing compounds are Preformed packing (8587449-3) harmful to skin and clothing, can Screw (MS35249-3) burn easily, and may give off Sealing compound (item 10, appx C) harmful vapor. Silicone compound (item 11, appx C) REMOVAL/DISASSEMBLY 1 Remove two setscrews (1) and eyepiece assembly (2) from elbow (3) using tubular spanner wrench (7597668). 2 Remove preformed packing (4) and discard. 2-50