TM-9-1240-400-34-P
TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1993
TM-9-1240-400-34-P - Page 70 of 344
TM 9-1240-400-34&P
2-15.
MAINTENANCE OF ELBOW ASSEMBLY, EYEPIECE ASSEMBLY, AND OPTICAL INSTRUMENT CELL
ASSEMBLY (CONT).
REASSEMBLY/INSTALLATION (CONT)
7
If removed, install pin (12).
8
Install gear assembly (13) and four capscrews
(14).
9
Apply sealing compound (item 10, appx C) under
head of four screws (15).
10
Install gasket (16), access cover (17), and four
screws (15).
NOTE
Steps 11 thru 19 are written and illustrated for reassembly of cell assembly.
11
Install lens (18) in cell (19) with convex surface
to rear of cell.
12
Install spacer (20).
13
Install lens (21) with greater convex surface to
rear of cell (19).
14
Install spacer (22).
15
Install lens (23) with greater convex surface to
front of cell (19).
16
Install spacer (24).
17
Install lens (25) with convex surface to front of
cell (19).
18
Apply sealing compound (item 10, appx C) to
threads of retainer (26).
19
Install retainer (26) in cell (19) using tubular
spanner wrench (7597644).
2-54
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