TM 9-1240-401-34&P
10
Remove four cap screws (9) and four lockwashers
(10). Discard lockwashers.
11
Separate lower housing (11) from upper housing
(12).
12
Remove and discard preformed packing (13).
13
Remove headless straight pin (14), only if dam-
aged.
14
Remove headless straight pin (15), only if alarm
aged.
NOTE
Steps 15 through 19 refer to M117 panoramic
telescope only.
15
Remove cap (16).
16
Remove contact assembly (17).
17
Remove cap (18).
18
Remove retaining ring (19).
19
Remove bushing insulator (20), grooved pin (21).
and wire (22).
20
Remove plug (23) and spring (24).
21
Using adjustable spanner wrench, remove
threaded ring (25) with worm shaft (26) and related
parts attached.
22
Remove plunger (27).
23
Position worm shaft (26) on V-block and remove
tapered pin (28) and gear (29).
24
Remove threaded ring (25), spring (30), and two
flat washers (31 and 32) from worm shaft (26).
25
Remove setscrew (33), self-locking nut (34), and
ring spacer (35). Discard self-locking nut.
26
Remove self-alining bearing (36).
27
Remove preformed packing (37) from threaded
ring (25) and discard.
5-27
