Section IV. MAINTENANCE OF MK-1004A/ARC

TM 11-6625-2609-34

Figure 3-3. Radio control, to cover removed, top view.

Figure 3-4. Test panel, schematic diagram.

(Located in back of manual)

Section IV.

M A I N T E N A N C E OF MK-1004A/ARC

ing that is to be disconnected. Make a note of

3-5. General Parts Replacement Techniques

color coding, placement of wires, and method of

Except for the radio control and intercom control,

insulation before unsoldering wires.

the parts of the maintenance kit can be easily

reached and replaced without special procedures.

b. Use a pencil-type soldering iron with a 25-

Disassembly and reassembly of Radio Set Control

watt maximum capacity. If the iron must be used

C-7197/ARC are covered in TM 11-5821-277-35

with an alternating current (ac) source, use an

and Intercommunication Control Set C1611D/

isolating transformer between the iron and the

AIC is covered in TM 11-5831201-20 or TM

line.

11583120135. Several parts replacement tech-

niques are presented below.

c. When soldering leads to diodes, solder quickly

and use a heat sink (such as long-nose pliers)

a. Before a part is removed, note the position

of the part and tag or otherwise identify all wir-

between the soldered joint and the diode.

Section V. DIRECT SUPPORT TESTING PROCEDURES

3-6. General

electronics equipment to determine the accepta-

a. Testing procedures are prepared for use by

bility of repaired electronics equipment. These

maintenance shops and service organizations re-

procedures set forth specific requirements that

sponsible for DS (direct support) maintenance of

repaired electronics equipment must meet before

3-8