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TM 750-116
j. Weapon Sight, PN 12279200 (fig. 3-63).
Figure 3-63 Weapon Sight, PN 12279200
(1) Perform purging and charging procedure para
2-5.a.
(2) Purge instrument at 7 psig for 5 minutes.
(3) Ensure relief valve closes at 5 psig.
(4) Leak test for minimum of 5 minutes.
3-14. Telescopes, Articulated.
a. Articulated Telescope, M105D (fig. 3-64).
NOTE
The telescope must be removed from the in-
stalled position for purging and charging proce-
dures. Refer to appendix A for a listing of
applicable publications.
Figure 3-64 M105D Series Telescope
(1) Remove inlet port cap and outlet plug with gasket
attached.
(2) Perform purging and charging procedure para
2-5.b.
(3) Purge instrument at 5 psig for 10 minutes.
(4) Charge instrument at 1 psig for 40 seconds.
(5) Leak test for minimum of 5 minutes.
b. Articulated Telescope, M105F (fig. 3-64).
Refer to para 3-14.a. for procedures.
c. Articulated Telescope, M127 (fig. 3-65).
(1) Eyepiece Assembly.
Figure 3-65 M127 Articulated Telescope
(a) Perform purging and charging procedure para
2-5.a.
(b) Purge instrument at 8 psig for 10 minutes.
(c) Ensure relief valves close at 5 psig.
(d) Leak test for minimum of 5 minutes.
(2) Objective Assembly. Refer to para 3-14.c.(1)
for procedures.
d. Articulated Telescope, M127A1 (fig. 3-61).
Refer to para 3-14.a. for procedures.
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