TEST PROCEDURE 002 RADIO SET AN/ARC-51 SERIES

SB 740-91-01

TEST PROCEDURE 002

RADIO SET AN/ARC-51 SERIES

(5821-00-082-3927)

1. General.

This procedure provides a description of special test equipment, fixturing, cabling, instrumentation and instructions for

performing inspections and evaluations applicable to the Radio Set AN/ARC-51 Series.

2. Test Equipment/Test Setup.

For the purpose of the test required herein the power shall be 305 watts at 27.5 i 0.5 volts dc.

A source of air, 3 to 6 psi such as provided from a tire pump, is required to pressurize the Receiver-Transmitters RT-

742/RC-51BX and RT-742B/ARC-51BX.

Table B-5 lists the test equipment; figures B-18 to B-20 illustrate the test setups.

Table B-5. Test Equipment and Accessories for Procedure 002 (Radio Set)

Item

Technical Manuals (Ref.)

Vacuum Tube Voltmeter TS-505/U

TM11-6625-239-12

RF Wattmeter AN/URM-120

TM11-6625-446-15

Audio Oscillator TS-382D/U

TM11-6625-261-12

Headset H-101 A/U

TM11-5965-215-15

Signal Generator AN/USM-44A

TM11-6625-508-10

Power Supply, 27.5 volts dc, 12.25 A

Any Type Automotive Tire Pump

Air Gauge

TM11-1214A

Audio Wattmeter TS-585D/U

TM11-5017

Audio VTVM ME-30/U

TM11-6625-230-12

Maintenance Kit, Electronic Equipment

MK-731/ARC-51X

TM11-6625-564-12

Impedance Adapter MX-1074/URM-25C

TM11-5551C

Transfer Oscillator Hewlett-Packard

Model 540B

TB9-6625-336-50

Resistor, 110 ohms, 1 watt

Resistor, 42.2 ohms, 1 watt

Resistor, 150 ohms, 1 watt

Resistor, 1 to 1.5k ohms, 1 watt

B-71