TM-9-1290-262-24&P Technical Manual for M2A2 Aiming Circle Download
Page 73 of 192
6 Remove 2 screws (3), elevation microme- ter knob (1), micrometer scale (4), taper pin (5), adapter (6), and 17 stop rings (7). 7 Turn worm shaft (8) until elbow telescope objective end touches main housing. Then back off one-half turn. 8 Install 17 stop rings (7) with tabs pointed upward and spaced to let stop rings lie flat. 9 Install and turn adapter (6) until tab of top stop ring fits into notch in adapter flange. 10 Turn adapter (6) counterclockwise until it stops turning. 11 Back off adapter (6) clockwise until ta- pered pin holes are alined. 12 Install taper pin (5). 13 Install elevation micrometer scale (4), ele- vation micrometer knob (1), and two screws (3). 14 Bring elbow telescope reticle into coinci- dence with collimator reticle. 15 Zero elevation micrometer scale (4) and tighten screws. 16 if minimum elevation and depression lim- its are met or elbow telescope touches housing cover, replace 17 stop rings (7). Refer to steps 6 thru 15 above. ARMY TM 9-1290-262-24&P MARINE CORPS TM 00476C-24&P AIR FORCE TO 49A7-3-7274 17 Repeat steps 1 thru 5. 3-45