TM-9-1290-262-24-P
AIMING CIRCLE, M2A2, W/E
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT,AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-1290-262-24-P - Page 93 of 192
ARMY TM 9-1290-262-24&P
MARINE CORPS TM 006C-24&P
AIR FORCE TO 49A7-3-72/74
INSTALLING AND LEVELING AIMING CIRCLE ON AZIMUTH TEST FIXTURE ADAPTER
1 Check that when index scale coincides
with zero graduation line on azimuth scale
(1), azimuth micrometer scale (2) also
indicates zero.
2 Place azimuth mechanism shaft approxi-
mately parallel to and above orienting
mechanism shaft.
3 Place and secure aiming circle (3) on azi-
muth test fixture adapter with line of sight
of aiming circle directed into
mater.
4 Turn three knob assemblies
clockwise until they stop.
5 Turn three knob assemblies
approximately four turns.
projector colli-
(4) counter-
(4) clockwise
6 Check circular level (5). Bubble should be
centered, not to exceed one half the line
forming the red circle (6) throughout 6400
roils revolution of aiming circle. If bubble
remains centered, proceed to step 11. If
not, go to step 7.
4-19
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