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 218 of 590

TM 9-1240-401-34&P

5-23. ADAPTER ASSEMBLY MAINTENANCE INSTRUCTIONS - continued

c. Assembly/Installation - continued

25

If removed, install two headless straight pins (25).

26

Install differential gear assembly (24) into adapter

assembly (10).

27

28

29

30

31

If removed, install two headless straight pins (16).

32

Install gear assembly plate (15) on two headless

straight pins (16).

Install reset counter assembly (23) and mesh gears

on differential gear assembly (24).

Secure reset counter assembly (23) with two

machine screws (21) and two new lo&washers (22).

If removed, install two headless straight pins (20).

Install plate (19) over gear shaft (7) and secure with

three machine screws (17) and three new

lockwashers (18).

33

Install gear cluster (13) and washer (12) on shaft

(14) and secure with retaining ring (11).

5-44

Change 1