d. Reassembly. Refer to figure 44 and reassemble
the vertical circle illumination prism.
e. Installation.
(1) Refer to figure 43 and install the vertical
circle illumination prism assembly.
(2) Install the collimation slow-motion screw
(3) Refer to paragraph 93 and install the
collimation level and lever assembly.
99. Micrometer Circle Illumination Prism
a. Removal. Refer to figure 45 and remove the
micrometer circle illumination prism.
b. Disassembly.
Refer to figure 46 and
disassemble the micrometer circle illumination prism.
c. Cleaning, Inspection, and Repair.
(1) Clean all metal parts with an approved
cleaning solvent and dry thoroughly.
(2) Clean the glass prism with lens tissue or a
lens cloth.
(3) Inspect the prism for chips, cracks,
scratches, and etching.
Figure 43. Vertical circle illumination prism,
removal and installation.
Figure 44. Vertical circle illumination prism, disassembly and reassembly.
63
AGO 5078A