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TM 750-116
(3) Infrared Body Assembly (fig. 3-25).
NOTE
The infrared body assembly must be removed
from the head assembly for purging and charg-
ing operations. Refer to appendix A for a list-
ing of applicable publications.
NOTE: TWO VIEWS SHOWN FOR CLARITY
Figure 3-25 M36 Infrared Body Assembly
(a)
2-5.b.
(b)
(c)
(d)
Perform purging and charging procedure para
Purge instrument at 8 psig for 5 minutes.
Charge instrument at 1 psig for 20 seconds.
Leak test for a minimum of 5 minutes.
(4) Passive Elbow Assembly (fig. 3-26). Re-
fer to para 3-10.f.(3) for procedures.
NOTE: TWO VIEWS SHOWN FOR CLARITY
Figure 3-26 M36 Passive Elbow Assembly
g. Periscope, M36E1 Tank (figs. 3-23 through
3-26). Refer to para 3-10.f. for procedures.
h. Tank Periscope, M42 Tank (fig. 3-27).
NOTE
Early, later, and modified production periscopes
must be removed for purging and charging pro-
cedures. Refer to appendix A for a listing of
applicable publications.
(1) Early Production (fig. 3-27).
Figure 3-27 M42 Tank Periscope - Early Production
(a) Perform purging procedure para 2-5.d.
(b) Purge instrument at 5 psig for 5 minutes.
3-12
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