TM 9-1240-401-34&P
2 Visually inspect for missing or damaged parts
3 Repair or replace parts in accordance with author-
ized parts listed in appendix D.
I
d. Assembly
If removed, install mirror (34) and secure using two
1
rivets (33).
If removed, install mirror (32) and secure using two
2
rivets (31).
Install lens (30) and electrical lead (29) with the
3
raised brass portion of electrical lead (29) facing
threaded ring (28).
Using 11/16 and 45/64 inch tubular spanner
4
wrench, install threaded ring (28). Stake threaded
ring (28) in three places.
Install ring spacer (27) onto LED (26).
5
Install LED (26) with ring spacer (27), electrical
6
connector cover (25), new Iockwasher (24), and
machine screw (23).
7
If removed, install window (22), using sealing com-
pound (item 13, appx B).
if removed, press headless straight pin (21) into
8
bracket (7) so that the headless straight pin pro-
trudes far enough into the pitch level (19) hole to
engage pitch level (19).
Position cover (20) in bracket (7) and pitch level
9
(19) into the bracket (7) so the slot in the end of the
pitch level (19) engages headless straight pin (21).
Install cell (18) and secure with threaded ring (17),
10
using fabricated eccentric tool. Do not tighten
threaded ring (17) at this time.
Install lens (16) and electrical lead (15) with the
11
raised brass portion of electrical lead (15) facing
threaded ring (14).
12
Using 11/16 and 45/64 inch tubular spanner
wrench, install threaded ring (14). Stake threaded
ring (14) in three places.
13
Install LED (13), electrical connector cover (12),
new Iockwasher(11 ), and machine screw (10).
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