Chapter 5. ORGANIZATION

TM 11-5821-285-12-1

CHAPTER 5

ORGANIZATION

Section I. GERNERAL

replacement (para 5-14).

5-1. Scope of Organizational Maintenance

l. Control Indicator C-8157/ARC replacement (para

The maintenance duties assigned to organizational

5-15).

personnel of AN/ASC-15A(V)(*) are listed below together

m. Control, Radio Set C-6287/ARC-51BX replacement

with reference to paragraphs covering specific

(para 5-16).

maintenance functions.

n. Receiver-Transmitter, Radio RT-742/ARC- 51BX

a. Touchup painting (para 5-3).

replacement (para 5-17).

b. Troubleshooting chart (para 5-4).

o. Receiver-Transmitter, Radio RT-1167/ARC- 164(V)

c. Control, Intercommunication Set C-1611(*)/ AIC

replacement (para 5-18).

replacement (para 5-6).

d. Control Indicator C-8157/ARC replacement (para

5-2. Tools, Test Equipment and Supplies Required

5-7).

e. Control, Radio Set C-7088/ARC-131 replacement

Refer to appendix D for tool and test equipment

requirements.

(para 5-8).

f. Receiver-Transmitter, Radio RT-823/ARC-131

replacement (para 5-9).

5-3. Touchup Painting

g. Cable assemblies replacement (para 5-10).

Remove rust and corrosion from metal surfaces by lightly

h. Indicator lamps replacement (para 5-11).

sanding with fine sandpaper. Brush two thin coats of the

i. 8-day clock and clock bracket replacement

proper paint (SB 11-573) on bare metal to protect it from

(para 5-12).

further corrosion. Refer to applicable cleaning and

j. Antenna AS-1703/AR elements replacement

refinishing practices specified in TB 43-0118.

(para 5-13).

k. Computer, Voice Security TSEC/KY-28

Section II. ORGANIZATIONAL TROUBLESHOOTING

measures indicated in the chart. If the corrective

5-4. Use of Troubleshooting Chart

measures indicated do not result in correction of the

Troubleshooting the console is based upon malfunctions

trouble, higher level maintenance is required. Refer to

noted during the operation of the equipment. When an

the component technical manuals, listed in appendix A,

abnormal condition or result is observed, refer to that

for extensive troubleshooting procedures.

symptom in - the troubleshooting chart. Perform the

corrective

Table 5-1. Troubleshooting Chart

Item No.

Malfunction

Probable Cause

Corrective Action

a. ASC-16AV)() console circuit breaker

a. Make sure the ASC-15A(V)(*) console

POWER indicator does not

light with POWER switch set

not activated.

circuit breaker is activated. Pushed

to on.

in.

b. Eye on indicator closed.

b. Turn outside ring on indicator

counterclockwise.

c. Power cabling connections.

c. Check connection of power cable at

POWER IN connector and at aircraft

cutout relay.

d Defective POWER indicator lamp.

d. Replace indicator lamp (para 5-11).

e. Defective power relay.

e. Remove power cable assembly.

Check between pin c and d of POWER

IN connector. A resistance of 71 ohms

5-1