RT-1167/ARC-164 Radio Set and ARC-51BX Installation

TM 11-5821-285-12-1

connected.

Damage to the ARC-164 will occur

2-3.

RT-1167/ARC-164 Radio Set and ARC-51BX

otherwise.

Installation

b. AN/ARC-51BX Installation. The ARC-51BX may

To install the RT-1167/ARC-164, remove the C-

not be installed by the operator. Installation of the ARC-

8157/ARC control head located in station 3 and the

51BX is a depot level modification to the console.

station 3 C-7088/ARC-131 control head.

Consoles with the ARC-51BX installed are designated

a. RT-1167/ARC-164 Installation

the V(2) version.

(1) Insert the ARC-164 into this vacant position.

(2) Connect cables marked ARC-164 P1 into J1

2-4. Preliminary Test

on the back of the RT-1167/ARC-164 and rf cable

labeled P2 into J2 on the back of the ARC-164.

Perform the preliminary test of the console upon

(3) Secure ARC-164 in console by tightening

completion of the installation. This test consists of

Dzus fasteners.

preliminary starting procedures in paragraph 3-3,

(4) Install blank panel as shown in figure 1-7.

starting procedures in paragraph 3-5, the operating

(5) Disconnect existing cable P4 connector from

procedures in paragraph 3-7, and stopping procedures in

A3W2P1 inside upper equipment compartment at rear of

paragraph 3-8. Refer to figure FO-1 for console vhf

JB-2. Install cable connector labeled ARC-164 A3W2J1.

radio set frequencies which will interfere with one

(6) Disconnect existing rf connector from

another under retransmission conditions only.

UHFIVHF console antenna port on inside of con- sole.

(7) Install the rf cable labeled ARC-164 to

2-5. UH-1(*) Reinstallation

UHF/VHF BNC connector inside console.

If it is necessary to remove the console from one UH-1(*)

CAUTION

helicopter for installation in another UH-1(*) preference

should be given to an aircraft which does not have the

Never key the ARC-164 unless Antenna

shoulder harness reel mounted on the floor. This will

AT-450 or a suitable dummy load is

prevent unnecessary minor modification of the console

mounting assembly.

2-3