ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
4 Clean optical window (6) with cleaning
5 Repeat steps 1 thru 3. If reticle etchings
do not become properly illuminated, pro-
ceed to step 6.
6 Remove eyepiece assembly (7).
7 Remove externally threaded ring (8).
8 Remove two horizontal setscrews (9).
9 Loosen two vertical setscrews (10).
10 Remove reticle assembly (11).
11 Loosen externally threaded ring (12).
12 Adjust position of reticle (13) in cell (14) so
that top of crosshair is to right of slot as
shown.
13 Tighten externally threaded ring (12).
14
Spot seal edge of externally threaded ring
to cell in two places with sealing com-
4-29