TM 9-1240-401-34&P
c. Assembly
1
Install two strikes (33) and secure with four new
Iockwashers (32) and four machine screws (31).
2
Apply grease (item 7, appx B) to new preformed
packing (28) and install on shouldered shaft (27).
3
Apply grease (item 6, appx B) to shouldered shaft
(27).
Turn telescope upside down to clear elevation
4
shaft hole. Install shouldered shaft (27) and rotate
until seated.
Install setscrew (25), but do not tighten.
5
6
Depress shouldered shaft (27) and tighten
setscrew (25).
Screw elevation knob (26) onto shouldered shaft
7
(27). Back off setscrew (25) until flush with housing
and seal with adhesive.
Push elevation knob (26) into housing and install
8
setscrew (24). Tighten setscrew (24) until it bot-
toms against elevation knob (26) and then back off
as required for smooth operation.
Apply grease (item 7, appx B) to two new
9
preformed packings (30) and install on two plugs
(29).
Install two plugs (29) into housing.
10
Apply adhesive to the groove and ledge of cover
11
(19).
12
If removed, install two windows (23).
Apply adhesive to two new shims (22) and four
13
new shims (21) and install on cover (19).
14
Apply adhesive to the mating surface of cover (19).
5-13
