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 273 of 590

TM 9-1240-401-34&P

33

Remove setscrew (67) from bar (68).

34

Drive out two straight pins (69) and remove screw

(70), bar (68), and spring (71) from housing (72).

35

Remove two setscrews (73), only if necessary for

replacement.

36

37

38

39

40

41

42

Remove screw (74), shouldered pin (75), plate (76),

and receptacle shell (77).

Remove three screws (78), three lockwashers (79),

insulator (80), and gasket (81). Discard

lockwashers and gasket.

Remove two nuts (82) and two terminals (83) from

two contacts (84). Remove two contacts (84).

Unsolder two electrical wires (85) from two terminals

(83).

Remove three screws (86), three lockwashers (87),

and electrical bracket (88) from M15 quadrant.

Discard lockwashers.

Unsolder electrical wire (85) from terminal (89) and

remove screw (90) and terminal (89) from electrical

bracket (88).

Remove preformed packing (91) from groove of

electrical bracket (88). Discard preformed packing.

b. Repair

1

Remove corrosion, grease, and dirt from all parts.

Refer to TM 9-254 for cleaning instructions.

2

Visually inspect for missing or damaged parts.

3

Repair or replace parts in accordance with

authorized parts listed in appendix D.

Change 1

5.1-39