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 82 of 192
ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
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4-2.
M2A2 AIMING
DISASSEMBLY (cont)
NOTE
Ensure that lock-release
in LOCKED position.
Remove taper pin (31).
CIRCLE—MAINTENANCE INSTRUCTIONS (cont).
lever (30) is
Remove lock-release lever (30).
Unscrew and remove externally threaded
ring (32), and remove preformed packing
(33) and shaft (34).
Remove two setscrews (35), round plain
nut (36), and washer (37).
Remove housing assembly (38) from hous-
ing (39).
Remove worm gear (40) from housing
(39).
Remove scale dial (41) with attached parts
from housing (39).
Remove setscrew (42), three screws (43).
retainer (44) and scale dial (41) from re-
tainer (45).
CLEANING
Do not dip the aiming circle body
CAUTION
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
(item 4, appx D).
4-8
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