Repair Omnidirectional Antenna.

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REPLACEMENT

TM-55-1905-223-24-18-1 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part 1 Manual

FIGURE 2-4. Omnidirectional TV Antenna.

TM 55-1905-223-24-18-1

2-16.

Repair Omnidirectional Antenna.

This task covers:

a. Disassembly, b. Repair, c. Assembly.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Shut down - TM 55-1905-223-10.

T o o l kit, electrician's,

Materials/Parts

Omnidirectional antenna

P/N MR-106-36D

Coaxial connector P/N 50903

Neoprene weathershield

P/N 600009-39E-8

Coaxial cable P/N RG-11A/U

Foam filled dome P/N 600009-39E-1

Spacing insulator P/N 50924

Antenna element P/N 50921

Antenna element P/N 50922

Crocus cloth, Item 2, Appendix C

DISASSEMBLY

Pull back neoprene weathershield (9) and disconnect antenna lead-in coaxial

male/female (8) at bottom on antenna.

While carefully supporting antenna, remove two clamps (11) which secure

antenna to supporting -pipe.

Remove antenna and carefully place on deck.

REPAIR

Carefully inspect the antenna elements (3) and (13) and wiring connections

for corrosion and breaks. Clean off corrosion using a crocus cloth.

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