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 215 of 590

TM 9-1240-401-34&P

12

Remove plug (26) and spring (27).

13

Remove setscrew (28) and post (29).

14

Remove detent plunger (30).

15

Remove headless straight pin (31), door (32), and

spring (33).

16

Remove two machine screws (34) and protective

cap (35) from overlay assembly (36).

17

Pull wire (37) with lamp base through to the front of

the overlay assembly (36).

18

Using 11/16 and 45/64 inch tubular spanner wrench,

remove retaining ring (38) and remove overlay

assembly (36) from adapter assembly (10).

19

Using 1/2 and 33/64 inch tubular spanner wrench,

remove externally threaded ring (39).

20

Unsolder electrical lead (40) from headless shoulder

pin (41).

21

Remove electrical lead (40) and lens (42).

22

Remove two machine screws (43), two lockwashers

(44), and azimuth rotating counter (45) from adapter

assembly (10). Discard lockwashers.

Change 1

5-41