Chapter 3. DIRECT SUPPORT MAINTENANCE INSTRUCTIONS

TM 11-6625-2609-34

CHAPTER 3

D I R E C T SUPPORT MAINTENANCE INSTRUCTIONS

Section I. GENERAL

tenance kit. Corrective action at direct support

3-1. Scope of Direct Support Maintenance

includes repair and replacement of parts necessary

Direct support maintenance supplements and in-

to return a defective maintenance kit to service.

eludes all procedures outlined for organizational

Direct support maintenance also includes testing

maintenance (TM 11-6625-2609-12). ln addition,

of the maintenance kit to determine whether it

it includes trouble-shooting techniques required to

isolate trouble to a specific part within the main-

meets necessary performance standards.

Section Il. TOOLS AND EQUIPMENT

3-2. Test Equipment Required

The required test equipment is listed in table 3-1.

Table 3-1. Teat Equipment Required

Reference

Item

FSN

Paragraph No.

Use

Fig. No.

Generator, Signal

6625-539-9685

3-9, 3-10

Rf signal source

3-6

AN/USM-44

Generator, Signal

Modulating signal

6626-783-5964

3-13, 8-14, 3-15,

3-6, 8-7

AN/URM-127

source

3-16

Wattmeter, Radio Fre-

9-11, 3-12, 3-13,

Measure AN/ARC-

6625-557-0389

3-6, 3-7

quency AN/URM-120

3-14, 3-16, 3-16

134 output rf power

Multimeter

3-4

Continuity and resist-

6626-24%6023

TS-352B-U

ance checks

Voltmeter, Electronic

8-9, 8-10, 3-16

Audio voltage meas-

6625-643-1670

3-5, 3-7

ME-30A/U

urements

Radio Set, AN/ARC-

3-9, 3-10, 3-11,

5821-072-6018

3-5, 3-6, 3-7

134

3-12, 3-13, 3-14,

3-15, 8-16

Power Supply PP-3931/

6130-733-8638

Power source for

3-9, 3-10, 3-11,

3-6, 3-6, 3-7

FLR-9 (V), or equal

312, 3-13, 3-14,

AN/ARC-134

3-15, 3-16

Headset-

5965-725-4453

3-9, 3-10, 3-12

Teat AN/ARC-134

3-5, 3-6, 3-7

Microphone

transmitter

H-157/AIC

circuits

Coaxial Adapter

8-9, 3-10, 3-11,

3-6, 3-7

UG-201/U

3-12, 3-13, 3-14,

8-15, 3-16

Coaxial Connector

3-16

3-7

UG-88/U (2 required)

Dummy load, Electrical

Provide antenna load

5985-280-3480

9-11, 3-2, 3-13,

8-6, 8-7

DA-75/U

8-14, 3-15, 3-16

Capacitor, 50 f, 25 vdc,

3-13, 3-14, 3-16,

3-6, 3-7

Sprague Type TL1209

8-16

or equal

Coaxial Cable RG-58/U

3-16

3-7

(as required)

3-1