ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
4-1. TROUBLESHOOTING INFORMATION (cont).
Table 4-1. GENERAL SUPPORT TROUBLESHOOTING (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
M2A2 AIMING CIRCLE (CONT)
5. IMAGE IS TILTED.
Check for proper location of optical instrument prism.
a. Replace optical instrument prism. Refer to page 4-5.
b. If image is still tilted, replace M2A2 aiming circle.
6. RETICLE IS TILTED.
Check position of reticle assembly.
a. Adjust position of reticle assembly. Refer to page 4-16.
b. If reticle is still tilted, replace M2A2 aiming circle.
7. COMPASS NEEDLE FAILS TO TURN FREELY WHEN UNLOCKED.
Turn compass needle to UNLOCKED and check compass needle action.
If compass needle does not pivot freely, repair M2A2 aiming circle.