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 200 of 590

TM 9-1240-401-34&P

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5-17. M117/M117A2 PANORAMIC TELESCOPE MAINTENANCE INSTRUCTIONS

This task covers:

a. Disassembly b. Repair c. Assembly

INTIAL SET-UP

TooI

S

Soldering iron (Item 24, appx F)

Tool Kit, Electronic System, Repair, Field Mainte-

nance (SC5180-95-CL-B29)

5180-01-168-0487

V-block (Item 25, appx F)

Adhesive (Item 2, appx B)

Felt mechanical washer (Item 2, appx E)

Flux (Item 5, appx B)

Grease (Item 6, appx B)

Grease (Item 7, appx B)

Lockwashers (6) (Item 70, appx E)

Preformed packing (Item 31, appx E)

Preformed packing (Item 34, appx E)

Preformed packing (Item 33, appx E)

Sealing compound (Item 13, appx B)

Self-locking nut (Item 17, appx E)

Solder (Item 18, appx B)

M117/M117A2 panoramic telescope removed

from howitzer (TM 9-2350-311-10/

TM 9-2350-314-10)

Equipment Condition

a. Disassembly

I

1

2

3

4

5

6

7

8

9

Remove two machine screws (1) and plate (2).

Using azimuth knob, slowly rotate cap (3) and re-

move 50 balls (4).

Pull cap (3) from M117/M117A2 panoramic tele-

scope.

Remove azimuth knob (ref. para 5-13).

Remove plate and gunner's aid knob (ref. para

5-13).

Remove correction counter cover (ref. para 5-13).

Remove elevation knob (ref. para 5-13).

Remove cap screw (5) and Iockwasher (6). Discard

Iockwasher.

Remove cap screw (7) and Iockwasher (8). Discard

Iockwasher.

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