Section V. MAINTENANCE PROCEDURES

TM 11-5820-882-23/TM 06827A-23/2

Table 2-4. Troubleshooting Procedures--Continued

Section V. MAINTENANCE PROCEDURES

2-13. General

Maintenance procedures at the organizational level for

Remove rust and corrosion from metal surfaces by

the radio set are limited to cleaning, painting, and

lightly sanding them with fine sandpaper, item 4, App.

replacement of broken external parts (knobs and anten-

C. Brush two thin coats of paint on the bare metal to

na) and battery replacement.

protect from further corrosion, items 3 and 7, App. C.

Refer to SB 11-573 and 43-0118.

2-14. Cleaning

2-16. Knob Replacement

Inspect the exteriors of the radio set. The exterior sur-

faces should be clean, free from dust, dirt, grease and

The three knobs on the radio set are held onto their

fungus.

shafts by setscrews. If knob replacement becomes

a. Remove dust and loose dirt with a clean soft

necessary:

cloth, item 2, App. C.

a. Loosen setscrew with an appropriate wrench.

WARNING

b. Remove defective knob.

c. Install new knob.

Adequate ventilation should be provided while

using TRICHLOROTRIFLUOROETHANE.

d. Tighten setscrews (if knob has two setscrews,

Prolonged breathing of vapor should be avoid-

tighten the setscrew that engages the flatted shaft first).

ed. The solvent should not be used near heat or

2-17. Antenna Replacement

open flame; the products of decomposition are

toxic and irritating. Since TRICHLOROTRI-

Remove damaged antenna from connector by turning

FLUOROETHANE dissolves natural oils,

antenna counterclockwise. Check connector on radio

prolonged contact with skin should be avoid-

set for corrosion or thread damage. Remove and signs

ed. When necessary, use gloves which the sol-

of corrosion. If connector is damaged, refer radio set to

vent cannot penetrate. If the solvent is taken

higher level of maintenance. Insert new antenna into

internally, consult a physician immediately.

connector and hand tighten clockwise.

b. Remove grease, fungus, and ground-in dirt from

2-18. Battery Replacement

the radio set; use a cloth dampened (not wet) with tri-

Remove battery case by unfastening latches on side of

clorotrifluoroethane, item 6, App. C.

radio set case and sliding case off. (Handle case careful-

c. Remove dust or dirt from antenna and audio con-

ly as damaged case will not seal properly). Detach old

nectors with a brush, item 1, App. C.

battery from battery connector and attach new battery

2-15. Touchup Painting Instructions

to connector. Apply a thin coat of silicone grease, item

2-13