Figure 1-5. Antenna AT-450/ARC Installation.

TM 11-5821-285-12-1

EL6QBO05

connector labeled LBAD-D-19993 AN/ARC-51 must be

1-11. Description of Frame Assembly A1

removed from A3J1 and cable labeled P1 A3W3J1

The (V)1 version is a metal equipment rack that is

connected to AJ31 inside lower equipment compartment

shipped with three Radio Sets AN/ARC-131, one RT-

at JB-2.

1167/ARC-164, three Control Indicators C-8157/ARC, six

a. Front (fig. 1-6). The side of the frame assembly

Control, Intercommunication Sets C-1611(*)/AIC, and

facing the front of the aircraft houses stations 5 and 6.

associated connection components. Two ARC-131's,

These stations each contain one ICS box (C-1611/AIC).

one ARC-164 or one ARC-51BX radio set is shipped in

Below the ICS boxes are the circuit breakers. Below the

the (V)2 version. It is installed at station 3 in place of the

circuit breakers are the antenna RF connectors U-94A/U.

C-7088/ARC-131 control head and the C-8157/ARC

Radio junction box assembly JB-2 is at the lower front,

control head. The ARC-164 cable connection (labeled

behind a protective cover.

P1 ARC-164, which is currently part of the console wiring

b. Left Side (fig. 1-6). This side is covered with a

harness) must be connected to the ARC-164 RT at

louvered panel. POWER IN connector J4 is at the

receptacle J1. The rf cable must also be connected

center front of the side and two lifting handles are

between the ARC-164 and the UHF/VHF antenna output.

mounted on the panel.

In addition, the

1-9