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 4-4. TEST AND ADJUSTMENT PROCEDURES (cont). INSTALLING AND LEVELING AIMING CIRCLE ON AZIMUTH TEST FIXTURE ADAPTER (cont) 7 Turn aiming circle to zero by fast travers- ing with azimuth knob (7). Place machin- ist’s square on cover (8) and cross level by adjusting knob assemblies (4). 8 Eliminate all error in circular vial by adjust- ing two setscrews (9). 9 Rotate aiming circle to 3200 mils using azimuth knob (7). 4-20