|
| |
TM 750-116
(1) Perform purging and charging procedure para
2-5.b.
(2) Purge instrument at 5 psig for 5 minutes.
(3) Charge instrument at 1 psig for 10 seconds.
(4) Leak test for a minimum of 5 minutes.
c. M44C Infinity Sight (fig. 3-53).
NOTE
M44C sights are equipped with two types of
inlet ports. Some sights require the use of an
adapter. If this is the case, use purging proce-
dure para 3-5.e.)
Figure 3-53 M44C Infinity Sight
(1) Remove outlet plug, spring, and plunger.
(2) Perform purging procedure para 2-5.c
(3) Purge instrument at 5 psig for 5 minutes.
Figure 3-54 M61 Computing Sight
(1) Perform purging procedure para 2.5.b
(2) Purge instrument at 5 psig for 5 minutes.
(3) Charge instrument at 5 psig for 5 minutes.
(4) Leak test for a minimum of 10 minutes.
e. Commander’s Extension, PN 12285300 (fig.
3-55).
Figure 3-55 Commander’s Extension PN 12285300
(1) Perform purging and charging procedure para
2-5.a.
(2) Purge instrument at 8 psig for 5 minutes.
(3) Ensure relief valve closes at 5 psig.
(4) Leak test for a minimum of 5 minutes.
3-24
|
