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TM 750-116
3-19. Trainer, M55 Laser (figs. 3–80 and
3-81).
a. Barrel Assembly (fig. 3-80).
Figure 3-80 M55 Barrel Assembly
(1) If necessary, remove the barrel extension by turn-
ing it counterclockwise.
(2) Remove the lens guard and loosen the outlet
screw.
(3) Perform purging and charging procedure para
2-5.b.
(4) Purge instrument at 5 psig for 2 minutes.
(5) Charge instrument at 1 psig for 1 minute.
(6) Leak test for minimum of 5 minutes.
(7) Tighten outlet screw and install lens guard.
b. Deflector Optical Assembly (fig. 3-81).
(1) Perform purging procedure para 2-5.d.
(2) Purge instrument at 5 psig for 2 minutes.
3–20. Unit, Reticle Projector (fig. 3-82).
Figure 3-82 Reticle Projector Unit
a.
Perform purging procedure para 2-5.c.
b. Purge instrument at 8 psig for 5 minutes.
Figure 3-81 M55 Deflector Optical Assembly
3-34
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