ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-7274
6 Remove 2 screws (3), elevation microme-
ter knob (1), micrometer scale (4), taper
pin (5), adapter (6), and 17 stop rings (7).
7 Turn worm shaft (8) until elbow telescope
objective end touches main housing. Then
back off one-half turn.
8 Install 17 stop rings (7) with tabs pointed
upward and spaced to let stop rings lie flat.
9 Install and turn adapter (6) until tab of top
stop ring fits into notch in adapter flange.
10 Turn adapter (6) counterclockwise until it
stops turning.
11 Back off adapter (6) clockwise until ta-
pered pin holes are alined.
12 Install taper pin (5).
13 Install elevation micrometer scale (4), ele-
vation micrometer knob (1), and two
screws (3).
14 Bring elbow telescope reticle into coinci-
dence with collimator reticle.
15 Zero elevation micrometer scale (4) and
tighten screws.
16 if minimum elevation and depression lim-
its are met or elbow telescope touches
housing cover, replace 17 stop rings (7).
Refer to steps 6 thru 15 above.
17 Repeat steps 1 thru 5.
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