Table 1-1. Nomenclature and Common Names

TM 11-6625-2609-12

Table 1-1. Nomenclature and Common Names

panel and is held in place by four quick-release

fasteners.

Nomenclature

Common name

Maintenance Kit, Electronic Maintenance kit

e. Intercom Control. The intercom control is

Equipment MK-1004A/

used to verify proper performance of the aircraft

ARC.

Panel, Test, Electrical SB- Test panel

intercommunications control set. It includes a

3716(P)/ARC.

chassis, front and rear mounting plates, and a

Control, Radio Set C-7197/ Radio control

front panel. The controls and two panel lights

ARC-134.

are mounted on the front mounting plate and

Case, Electronic Equipment Equipment case

extend through cutouts in the front panel. The

Maintenance Kit CY-

7345/ARC.

translucent front panel is edge-lighted by the

Detector, Radio Frequency

RF detector

panel lights. A pin receptacle on the rear mount-

RF-218/ARC.

ing plate is provided for connection of the head-

Attenuator, Fixed CN-

Attenuator

set-microphone. Eight DZUS fasteners on the

1174/U.

front mounting plate are used to secure the inter-

Adapter, Connector UG-

Adapter

274A/U.

com control to the test panel.

Tuning Tools 67601-1_ _ _ _ _ _ Tuning tool

f. Interconnect (Cable Assembly. The intercon-

Intercommunications Con-

Intercom control

trol Set C-1611D/AIC.

nect cable assembly is used to connect between

the test panel and the AN/ARC-134 under test.

the headset-microphone are stored in a tray be-

It is terminated at one end with a plug for the

hind a small door on the front of the test paneI.

main connector on the AN/ARC-134 and supplies

Alligator clip insulators (part of power cable)

all the required connections to the AN/ARC-

are marked to indicate the required input voltage

134.

connations.

b. Equipment Case. The equipment case is a

1-9. Description of Minor Assemblies

lightweight, ruggedized inclosure with removable

Special features of some of the minor assemblies

cover. Four clamps around the front of the main

are given below (fig. 1-3).

housing are used for locking the cover in place.

a. Fuseholder 11509A. The fuseholder, with

Minor assemblies, interconnect cable, and run-

self-contained fuse, is used whenever an external

ning spares are in partitions on the inside of

signal generator is connected to the maintenance

the removable case, and are held in place by a

kit interconnect cable BNC connector (AN/ARC-

metal panel which is secured with two quick-

134 antenna connector). The fuseholder prevents

release fasteners.

possible damage to the signal generator through

c. Test Panel. The test panel contains various

accidental keying of the AN/ARC-134 transmit-

signal input and output jacks, switches, controls,

ter.

and indicators. Cutouts are provided for mount-

b. Radio Frequency Detector. The radio fre-

ing the radio control and the intercom control.

quency detector is used to observe RF level dur-

All electrical connections to the test panel are

ing adjustments to the RF exciter/amplifier or

completed through the power cable and U-94A/

driver stages in the AN/ARC-134 transmitter

U headset connection and through the intercon-

circuits.

nect cable that connects to a multipin receptacle

on the front of the test panel.

e. Attenuator. The attenuator is connected to

the external signal generator output to provide

d. Radio Control. The radio control provides

a proper signal input level to the AN/ARC-134

power, receiver volume, and channel-selection

during test procedures.

control functions for the AN/ARC-134. A COMM

TEST switch is used for disabling the receiver

d. Tuning Tool. The tuning tool is used when-

squelch circuit during test procedures. All con-

ever it is necessary to adjust the power amplifier

trols are on an edge-lighted plastic front panel,

grid coils in the AN/ARG-134 transmitter cir-

and the selected channel frequency is indicated

cuits.

on an illuminated digital counter dial. The radio

e. Adapter. The adapter is used to connect the

control is completely inched except for the front

external signal generator, oscilloscope, and load

panel. All electrical connections are completed

wattmeter during transmitter test or adjust-

through a rear-mounted connector. The unit is

ment procedures.

mounted in a cutout on the test panel front

1-3