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TM 11-5821-333-12
Section V. MAINTENANCE PROCEDURES FOR RADIOS
Subject
Para
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Placing in Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27
Repair of C-11466 or C-11466A Radio Set Control . . . . . . . . . . . . . . . . . . . . . 6-23
Repair of CV-3885 Data Rate Adapter. . . . . . . . . . . . . . . . . . . . . . . . . 6-24
Repair of CY-8515 Battery Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
Repair of RT-1476 and 1476A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
Repair of RT-1477 or RT-1477A on MT-6373 Mounting Base . . . . . . . . . . . . . 6-21
Repair of RT-1477, RT-1477A, RT-1478, and RT-1478A on
MT-6374 Mounting Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22
Replacement of ANVIS Filter and Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26
Verification of Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
6-17. GENERAL.
Maintenance should be performed in the following sequence.
Page
6-40
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6-48
6-49
6-50
6-42
6-44
6-46
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a. Inspection. Use the inspection procedure to determine if the radio set is damaged or incomplete.
component is damaged or missing, replace it.
If a
b. Operational Check. Use the operational check to test the radio set and to find the bad item.
c. Repair. The repair procedures are used to restore a faulty radio to serviceable/operable condition. Re-
pairis by replacement of the bad item.
d. Placing in service. After bad items have been replaced, the radio set mustbe retested, Use the opera-
tional check. If good, and radio is to be used for FH operation, check it for fill information. If present, the radio
may be returned to service,
6-18. INSPECTION.
Many faults can be found by inspection. If any are found, replace the bad item. The following chart can be used
as a guide to inspect your equipment.
UNIT
ITEM
REMARKS
RT
Front Panel
Knobs
FILL Connector
Display
Pushbuttons
Connectors
Covers
Dzus Fasteners
(RT-1476 or RT-1476A
only)
No cracks, scratches, or missing parts such as
screws, knobs, mounting hardware, or handle.
Not missing. Not broken or chipped. Set screws
not missing or loose.
Pins spring back when pushed with finger.
No cracks, chips, or moisture seepage,
Not missing or broken.
No broken or missing parts.
Not missing. Screws not missing. No cracks or
dents. No chipped or missing paint,
Not missing or damaged,
6-40
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