Description - TM-11-5820-509-120009

TM 11-5820-509-12

b. Running Spares. The chart below lists the running

oblock cases.

Three batteries /two of them

spares for the radio set. The two spare batteries are

spares),shipped dry with electroylyte separate, form a

stored in the radio set case (fig. 2-2); the two fuses and

normal complement for each radio set. The battery is

the four lamps are stored inside the receiver-transmitter

normally supported in a battery retainer attached to the

panel cover (fig. 1-6).

accessories rucksack frame for portable operation of the

radio set. For further information on the battery, refer to

FSN

Quantity

Item

TM 11-6140-208-16.

6140-889-1027

Battery, Storage BB-451/U

c. Adapter, Battery Terminal MX-4430/ PRC-47

5920-280-3562

Fuse, cartridge: 20A, 125V,

(fig. 1-6). The MX-4430/PRC-47 furnished for use

F03A125V20AS

with, and fits on top of, the battery. The adapter in-

5920-060-2424

Fuse, cartridge: 5A, 250V

cludes a carrying handle and a receptacle to permit con-

F02A250V5AS

nection of Cable Assembly, Power Electrical CX-

6240-155-7836

Lamp ,incandescent: 28V,

8395/PRC-47 for battery operation of the radio set. The

MS26237 -387

adapter is keyed to fit on the battery only one way.

1-7. Description

Antenna AS-1320/PRC-47.

Antenna AS-

Radio Set AN/PRC-47 (fig. 1-1) consists of several ma-

1320/PRC-47 (fig. 1-2) is a 15-foot whip antenna that is

jor units and a number of accessories that are required

used in conjunction with the ground-plane radials at-

for operation. These major units are a receiver-

tached to Legs, Electrical Equipment MT-2786/PRC-47.

transmitter, a silver-zinc battery, a power cable for bat-

The antenna is sectionalized into eight 20-inch sections

tery (portable) operation that connects to a battery ter-

plus a 20 inch threaded stud and is stowed in a canvas

minal adapter, a handset, and a whip antenna (fig. 1-2).

carrying case attached to the accessories rucksack frame

In addition, an ac cable and a do cable are provided for

(fig. 1-4).

fixed station and vehicular operation respectively

e. Cable Assembly, Power Electrical CX-8395/PRC-

(fig. 1-3). The radio set is divided into two parts for

47. Cable Assembly, Power Electrical CX-8395/PRC-47

portage; each part being attached to a separate rucksack

(fig. 1-6) is a rubber insulated cable. The cable contains

frame for ease of handling (fig. 1-4). One frame carries

two conductors and is. terminated in connectors (Bendix

the battery retainer and battery, battery cable, whip an-

plugs) that permit interconnection of the receiver and

tenna, and accessory items required for portable opera-

the battery terminal adapter.

tion. When desired to store the equipment, or when nec-

f. Antenna AS-1321/PRC-47. Antenna AS-1321/PRC-

essary to ship' the equipment, a radio set case (fig. 1-5)

47 (fig. 1-8) is a sectionalized, rubber insulated, 45-foot

is provided. The case is waterproof and compartmen-

long-wire antenna provided to improve the radiation

talized to protect the individual radio set units and ac-

efficiency of Radio Set AN/PRC-47 when it is operated

cessories, and is equipped with carrying handles that

in a less-than-desirable location, or when long commu-

permit easy handling. The radio set units and accesso-

nication paths are used. This antenna is equipped with

ries are described below.

an insulated endfitting adapter that permits connection

a. Receiver-Transmitter, Radio RT-671/ PRC - 47.

directly to the front of the receiver-transmitter in the

Receiver-Transmitter, Radio RT-671/ PRC-47 (fig. 1-6)

portable configuration. For mobile and fixed site appli-

consists of an equipment chassis, an equipment case,

cation, the adapter is removed and connected to the ex-

and Cover, Panel CW-647/PRC-47.. With the panel

isting antenna. Two strain insulators are strategically

cover secured to the unit, a waterproof assembly is ob-

located along the length of the insulated conductor {at

tained. Removal of this cover permits access to the front

15 and 25 feet) to permit coarse adjustment of radiator

panel operating controls and receptacles of the RT-

length to compensate for adjustments in transmitter op-

671/PRC-47. In normal operation, the panel cover is

erating frequency.

removed and stowed on the rear side of the RT-

g. Cable Assembly, Power Electrical CX 8394/PRC -

671/PRC-47, using the threaded fasteners that normally

47. Cable Assembly, Power Electrical CX-8394/PRC-47

secure the RT-671/PRC- 47 case to the rucksack frame.

(fig. 1-3) contains two conductors that permit intercon-

b. Battery, Storage BB - 51/U. Battery, Storage BB-

nection of the receiver-transmitter and the vehicular

451/U (fig. 1-6) is a 16-cell, silver- plate, wet elec-

power source. One end is terminated in a Bendix plug;

troylyte, 24-volt unit that is contained in a watertight

the other end is terminated in two terminal lugs.

glass filament-epoxy case, having a stainless steel cover

h. Cable Assembly, Power Electrical

plate. The battery consists of four replaceable mon-

1-4