TM-9-1290-262-24&P Technical Manual for M2A2 Aiming Circle Download
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ARMY TM 9-1290-262-24&P MARINE CORPS TM 00476C-24&P AIR FORCE TO 49A7-3-72/74 4-3. ELBOW TELESCOPE—MAINTENANCE REASSEMBLY (cont) 15 Loosely install objective assembly (18). 16 Install reticle assembly (19) with etched side facing prism and illumination slot facing window (2). 17 Loosely install externally threaded ring (20) and four setscrews (21 ). 18 Loosely install eyepiece assembly (22). NOTE Leveling and optical elements will be tightened and seated after elbow telescope assembly is assembled to the aiming circle and all adjustments performed. Purge and charge, refer to TM 750-116. INSTRUCTIONS (cont). Section III. GENERAL SUPPORT TEST AND Section Index Paragraph 4-4. Test and Adjustment Procedures . . . . . . . . . . 4-4. TEST AND ADJUSTMENT PROCEDURES. ADJUSTMENT PROCEDURES This task covers: a. b. c. d. e. f. g. h. i. j. k. Setting up azimuth test fixture Installing and leveling aiming circle on azimuth test fixture adapter Eyepiece focus Parallax of objective assembly Parallax of magnifier assembly Definition Reticle tilt Reticle illumination Collimation Circular error test Lift test Page . . . . . . . . . . . . . . . . . . . . . 4-16 4-16