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 52 of 344
TM 9-1240-400-34&P
2-12.
MAINTENANCE OF BODY ASSEMBLY, COVER ASSEMBLY, AND TELESCOPE
REASSEMBL Y (CONT)
23
Install bearing (27) on worm shaft (28) and secure
with thrust washer (29) and new self-locking nut (30).
24
Install plunger (31) and aline hole.
25
Install worm shaft (28) in body (4) by rotating
clockwise.
26
Install spring (32) and plug (33).
27
Install two nonmetallic washers (34) and spring (35)
on worm shaft (28).
28
Apply sealing compound (item 10, appx C) to
threads of retainer (36).
29
Using adjustable spanner wrench (7597708), install
retainer (36) and spur gear (37) on worm shaft (28).
30
If necessary, drill and ream spur gear (37) and worm
shaft (28).
31
Install tapered pin (38).
32
If removed, install pin (39) in body (4).
33
Apply a coat of adhesive (item 4, appx C) to mating
surfaces of adapter assembly (40), body (4), and to
tips of four socket capscrews (41).
34
Apply sealing compound (item 10, appx C) to four
spacers (42).
35
Install four spacers (42) on adapter assembly (40).
36
Install adapter assembly (40), four new lockwashers
(43), and four socket capscrews (41) on body (4).
2-36
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