ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
4-2.
M2A2 AIMING CIRCLE--MAINTENANCE INSTRUCTIONS (cont).
DISASSEMBLY (cont)
NOTE
Ensure that lock-release lever (30) is
in LOCKED position.
17
Remove taper pin (31).
Remove lock-release lever (30).
18
19
Unscrew and remove externally threaded
ring (32), and remove preformed packing
(33) and shaft (34).
Remove two setscrews (35), round plain
20
nut (36), and washer (37).
Remove housing assembly (38) from hous-
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ing (39).
Remove worm gear (40) from housing
22
(39).
Remove scale dial (41) with attached parts
23
from housing (39).
Remove setscrew (42), three screws (43).
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retainer (44) and scale dial (41) from re-
tainer (45).
CLEANING
CAUTION
Do not dip the aiming circle body assembly components in cleaning compound.
1 Clean all machined metal parts with cleaning compound (item 5, appx D).
2 Clean all optical surfaces with denatured alcohol (item 2, appx D) or optical cleaning compound
