TM 5-6675-270-15
(2) Remove the vertical circle assembly
(3) Remove the reticle mirror assembly
(4) Remove the telescope focus and objec-
tive assemblies (para 5-33).
(5) Refer to figure 5-22 and remove the
telescope axis and 90 prism assemblies from the
U-frame.
NOTE
It will be necessary to use special tool shown in
b. Installation.
(1) Refer to figure 5-22 and install the tele-
scope axis and 90 prism assemblies in the U-
frame.
(2) Install the telescope focus and objective
assemblies (para 5-33).
(3) Install the reticle mirror assembly (para
(4) Install the verticle circle assembly (para
(5) Install the verticle clamp (para 5-21).
5-35. U-Frame Assembly
lation.
a. Removal.
(1) Remove the compass bracket (para 5-6).
(2) Install the telescope level assembly, if
(2) Remove the inner vertical axis (para
applicable (para 4-38).
5-17).
(3) Install the microscope assembly (para
(3) Remove the telescope axis assembly
c. Adjustment. Adjust the reticle to compen-
(4) Remove the plate level assembly (para
sate for horizontal collimation error (para 2-9).
5-18).
(5) Remove the reading lens assemblies
Assemblies
(6) Remove the illumination lens assembly
a. Removal.
(1) Remove the telescope eyepiece and reticle
assemblies (para 5-32).
(7) Remove the clamp pins (para 5-19).
(2) Refer to figure 5-20 or 5-21, as appli-
b. Installation
cable, and remove the telescope focus and objec-
(1) Install the clamp pins (para 5-19).
tive assemblies.
(2) Install the illumination lens assembly
b. Installation
(1) Refer to figure 5-20 or 5-21, as appli-
(3) Install the reading lens assemblies (para
cable, and install the telescope focus and objective
5-28).
assemblies.
(4) Install the plate level assembly (para
(2) Install the telescope eyepiece and reticle
5-18).
assemblies (para 5-32).
(5) Install the telescope axis assembly (para
5-34).
5-34. Telescope Axis and 90 Prism
(6) Install the inner vertical axis (para
Assemblies
5-17).
a. Removal.
(7) Install the compass bracket (para 5-6).
(1) Remove the verticai clamp (para 5-21).
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