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 134 of 344

TM 9-1240-400-34&P

4

Apply a light coat of aircraft grease (item 8, appx C)

to support assembly (7).

5

Using adjustable spanner wrench, install support

assembly (7), shim (8) if removed, and plain round

nut (9).

6

Install setscrew (10) in adapter (3).

7

Install identification plate (11) and two screws (12).

8

Install control cam (13) and new self-locking screw

(14).

9

Apply a light coat of aircraft grease (item 8, appx C)

to worm shaft (15).

10

Install worm shaft (15) and spacer (16), meshing

gears.

11

Install shim (17) if removed, spacer (18) and collar

(19) to worm shaft (15).

12

Install setscrew (20) in collar (19), leaving worm

shaft (15) to turn without binding.

13

If necessary, drill and ream collar (19) and install

tapered pin (21).

Remove setscrew (20). Refer to

TM 9-254.

14

If removed, install pin (22).

15

Install receptacle (23) and shaft (24) in adapter (3).

4-9