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| TM 11-5821-277-20
CHAPTER 4
ORGANIZATIONAL
MAINTENANCE
Section I. GENERAL
4-1. Scope of Maintenance
g. Removal and replacement of control unit
The maintenance duties assigned to the organi-
zational maintenance repairman are listed below
h. Removal and replacement of transceiver
together with a paragraph reference covering
the specific maintenance functions. The duties in-
i. Removal and replacement of control knobs
elude instructions for performing both preven-
tive and corrective maintenance procedures. Parts
r e p l a c e m e n t of
resilient
j. Removal and
stocked for replacement at the organizational
mounts (para 418).
level are listed in TM 11-5821-277-20P.
a. Daily performance check (paras 4-4 and
4-2. Tools, Test Equipment, and Materials
4-5).
Required
b. Intermediate preventive maintenance checks
The tools, test equipment, and material required
and services (paras 46 and 4-7),
f o r organizational maintenance are listed be-
c. Periodic preventive maintenance checks and
low.
services (paras 48 and 4-9).
a. Tools. All tools required for organization-
d. Cleaning (para 4-10.
al maintenance are contained in Tool Kit, Elec-
e. Troubleshooting (paras 412 and 413).
t r o n i c Equipment TK-101/G (FSN 5180-064
f. Removal and replacement of control unit
5178).
panel lamps (para 4-14).
b. Test Equipment.
Headset, EIectrical H-216/U.
Headset
Monitor audio output of trans-
ceiver from PHONE jack on
front panel.
TB SIG 330
Microphone M-52B/U.
Switch transceiver to transmit
Microphone
mode of operation and transmit
voice signals from MIKE jack
on transceiver front panel.
TM 11-6625-366-15
Multimeter TS-3S2B/U.
Perform continuity checks.
c. Materials.
(2) Brush MIL-G-7241, or equivalent.
( 1 ) Cleaning compound (FSN 7930-395-
(3) Fine sandpaper No. 000.
9542).
(4) Clean, lint-free cloth.
Section II PREVENTIVE MAINTENANCE PROCEDURES
a. Systematic Care. The procedures given in
4-3. Preventive Maintenance
Preventive maintenance is the systematic care,
tematic care and cleaning essential to proper up
servicing, and inspection of equipment to prevent
keep and operation of the equipment.
Cheeks and
Maintenance
the occurrence of trouble, reduce downtime, and
b. Preventive
maintain equipment serviceability.
Services. The preventive maintenance checks and
Change 3 4-1
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