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Page Title:
Section III. GENERAL MAINTENANCE |
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 TM 5-6350-264-14&P-12
NAVELEX EE 181-AA-OMI-120/E121 C-7359-60-1
TO 31S9-2FSS9-1-12
NOTE
d.
Check all available information on the
equipment for aid in diagnosing pro-
Touchup paint is recommended
blems.
instead of refinishing whenever
practical.
e.
Make a visual inspection of the equip-
ment.
(6) Inspect all metal surfaces intended
Inspect the equipment for evidence
to be painted for condition of fi-
(1)
nish and legibility of panel letter-
of physical damage.
ing.
Inspect the terminal strips for clean
(2)
f.
Refer to figures 5-1, 5-2, and 5-3 for all
and secure connections.
test points referred to in table 5-1. Step-
by-step troubleshooting procedures, in-
Inspect all wiring and cabling for
(3)
cluding Trouble, Probable Cause, and
worn or frayed insulation and bro-
Corrective Action, are listed in table 5-1.
ken wires.
NOTE
Inspect all resistors for discolora-
(4)
tion due to overheating.
The one-zone, five-zone, and twen-
ty-five-zone Control Monitors are
Inspect the complete subsystem for
(5)
functionally identical and the trou-
the presence of dirt, corrosion,
moisture, and bits of wire or solder
bleshooting procedures are the
inside the housings.
same for all three.
Section III. GENERAL MAINTENANCE
5-4. MAINTENANCE ACTION. The extent of
Receiver, the code plugs in both the Transmitter
direct and general support maintenance is governed
and Receiver, and interconnecting wiring. Periodic
by the Maintenance Allocation Chart (MAC),
testing of the Data Transmission System is not
scheduled because the J-SIIDS is maintained in
replacement of the Data Transmitter, the Data
continuous operation.
Section IV. REMOVAL AND REPLACEMENT OF MAJOR COMPONENTS AND ASSEMBLIES
5-5. REMOVAL AND INSTALLATION PROCE-
and insert screws. Tighten the screws
DURES.
to secure Transmitter. Connect wires to
TB6 and TB7 per tags on wires removed
a.
To remove Data Transmitter, unlock
from these terminals.
and open Control Unit (CU) door. Tag
and disconnect Data Transmitter wires
c.
To remove Data Receiver, unlock and
from TB6 and TB7. Remove screws
open Monitor Cabinet, and turn off
that secure Transmitter to standoffs
switch S1 on power supply. Release
in CU. Be careful not to drop Trans-
swingout rack. Remove screws that secure
mitter inside CU.
status monitor module to rack and re-
move module through front of rack.
b.
To replace Data Transmitter, position
Loosen captive screws and remove Data
Transmitter over standoffs in the CU
Receiver from bottom of module.
5-2
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