TM-9-1240-401-34-P

TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1993

TM-9-1240-401-34-P - Page 137 of 590

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.

d. Assembly

I

1

2

3

4

5

6

7

8

9

10

11

12

13

If removed, install mirror (34) and secure using two

rivets (33).

If removed, install mirror (32) and secure using two

rivets (31).

Install lens (30) and electrical lead (29) with the

raised brass portion of electrical lead (29) facing

threaded ring (28).

Using 11/16 and 45/64 inch tubular spanner

wrench, install threaded ring (28). Stake threaded

ring (28) in three places.

Install ring spacer (27) onto LED (26).

Install LED (26) with ring spacer (27), electrical

connector cover (25), new Iockwasher (24), and

machine screw (23).

If removed, install window (22), using sealing com-

pound (item 13, appx B).

if removed, press headless straight pin (21) into

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

(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),

using fabricated eccentric tool. Do not tighten

threaded ring (17) at this time.

Install lens (16) and electrical lead (15) with the

raised brass portion of electrical lead (15) facing

threaded ring (14).

Using 11/16 and 45/64 inch tubular spanner

wrench, install threaded ring (14). Stake threaded

ring (14) in three places.

Install LED (13), electrical connector cover (12),

new Iockwasher(11 ), and machine screw (10).

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