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TM 11-5821-333-12
Section Ill. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR RADIOS
Subject
Para
Page
Cleaning . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . ......... . . . . . . . . . . . . . . . .. . . . . . . . . . . 6-9
6-3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6-3
Preventive Maintenance Checks and Services . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
6-3
Safety, Care, and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-10
6-3
Touch-Up Painting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
6-3
6-7. GENERAL.
Combat readiness depends on good maintenance at the right time. A unit will stay combat ready when equip-
ment downtime is low. Reduce downtime by doing these things:
Spot small problems and correct them,
Keep the equipment in good shape,
Ensure that components are not missing.
6-8. PREVENTIVE MAINTENANCE CHECKS AND SERVICES.
Every six months perform the Fill Holding Test from the Operational Check (step 13 of paragraph 6-13).
6-9. CLEANING.
The maintainer and the operator are responsible for cleanliness of the radio set. Inspect the exterior of the radio
set. The exterior should be free of dust, grease, and fungus.
a. Remove dust and loose dirt with a clean, soft cloth.
b. Remove grease, fungus, and ground-in dirt using a cloth and an approved solvent.
c. Remove dust and dirt from plugs and jacks with a brush.
d. Clean the equipment front panel and control knobs. Use a clean soft cloth. If dirt is difficult to remove,
dampen the cloth with water. Mild soap may be used for more effective cleaning.
6-10. SAFETY, CARE, AND HANDLING.
Following maintenance, securely lock equipment into mounting base or panel. Also, securely lock MT-6373
mounting base (if used) into its mounting base. When removing or replacing components, do not lay them on
floor or ground. Stones, metal objects, or mud can damage the connectors.
6-11. TOUCH-UP PAINTING.
Remove corrosion from metal surfaces by lightly sanding them with fine sandpaper. Apply two thin coats of paint.
CAUTION
The RT-1476, RT-1476A, C-11466, and C-11466A front panels are a specially painted plastic.
DO NOT sand or paint.
6-3
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