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 204 of 344

TM 9-1240-400-34&P

5-17.

MAINTENANCE OF TELESCOPE MOUNT SUBASSEMBLY AND BASE ASSEMBLY (CONT).

REASSEMBLY (CONT)

13

Install bracket (19) and two screws (20).

14

If removed, drill and ream bracket (19) and base (1),

and drive in pin (21).

Refer to TM 9-254.

15

Install key (22) and knob assembly (23) on pivot (8).

16

If necessary, drill and ream knob assembly (23) and

pivot (8).

Drive in tapered pin (24).

Refer to TM 9-

254.

17

Install retaining ring (25), spur gear (26), and

retaining ring (27) on pivot (28).

18

If necessary, drill and ream spur gear (26) and pivot

(28).

Drive in tapered pin (29).

Refer to TM 9-254.

19

Install pivot (28) and differential assembly (30)

through bracket (31).

20

Install spur gear (32) on pivot (28), meshing gears.

21

If necessary, drill and ream spur gear (32) and pivot

(28).

Drive in tapered pin (33).

Refer to TM 9-254.

22

Install bracket (31) with installed parts and two

screws (34).

23

If removed, drill and ream bracket (31) and base (1).

Drive in two pins (35).

Refer to TM 9-254.

5-50