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 185 of 590

NOTE

TM 9-1240-401-34&P

a. Disassembly

1 Support azimuth knob (1) with a V-block.

2 Remove headless straight pin (2).

3 Remove azimuth knob (1).

4 Remove cap screw (3), Iockwasher (4), flat washer

(5), and plate (6). Discard Iockwasher.

5 On M117A2 panoramic telescope only, remove

three machine screws (7), cap (8), and gasket (9).

Discard gasket.

Preformed packing (10) is located in cap (8) of

M117A2 panoramic telescope or in plate (6) of

M117 panoramic telescope.

6 Remove and discard preformed packing (10).

7 Remove headless straight pin (11), gunner’s aid

knob (12), three shims (13), and seal (14). Discard

shims.

8 Remove three machine screws (15), three machine

screws (16), and six Iockwashers (17). Discard

Iockwashers.

9 Remove cap assembly (18).

10 Remove cover (19). Remove two headless straight

pins (20), only if damaged.

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