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 274 of 590

TM 9-1240-401-34&P

5.1-19 M15 QUADRANT MAINTENANCE INSTRUCTIONS - continued

c. Assembly

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3

4

5

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9

Apply grease (item 7, appx B) to new preformed

packing (1) and install in electrical bracket (2).

Solder terminals (3 and 4) to short electrical wire (5),

using solder (item 18, appx B) and flux (item 5, appx

B).

Secure terminal (3) to electrical bracket (2) with

screw (6).

Solder electrical wire (7) to terminal (8) and to center

post of toggle switch (9).

Assure that terminals (4 and 8) project from

electrical bracket (2). Position electrical bracket (2)

with preformed packing (1) on housing (10). Secure

with three screws (11) and three new lockwashers

(12).

Position new gasket (13) on electrical bracket (2)

and install two contacts (14) into insulator (15).

Attach two terminals (4 and 8) extending through the

hole in center of gasket (13) to two contacts (14)

with two nuts (16).

Position receptacle shell (17) with plate (18) inside

shell over two contacts (14). Seat receptacle shell

(17) against insulator (15) and install screw (19) and

shouldered pin (20).

Secure insulator (15) to electrical bracket (2) with

three screws (21) and three new lockwashers (22).

Apply sealing compound (item 13, appx B) to seal

the hole in center of electrical bracket (2).

5.1-40

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