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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 19 20 21 Install index (10), felt washer (9), adapter (8), taper pin (7), azimuth micrometer scale (3), azimuth knob (2), and two screws (6). Recheck for backlash. Repeat steps 1 thru 5. Repeat steps 6 thru 20 until azimuth worm backlash does not exceed 0.4 roil. 22 Install adapter (17) on azimuth knob. 23 Install O to 80 in.-oz torque wrench (18) on adapter (17) and check for a running torque of 12.00 to 36.00 in.-oz (0.08 to 0.25 N-m). 24 If torque is out of tolerance, repeat steps 6 thru 21 and recheck torque. 25 Fill setscrew holes with sealing compound (item 8, appx D). 3-41