TM 5-6350-264-14&P-9
NAVELEX EE 181-AA-OMI-100/E121 DZ-204
T.O. 31S9-2FSS9-1-9
Section III. GENERAL MAINTENANCE.
authorizes inspection and replacement of the
5-4. MAINTENANCE ACTION. The extent of
fuse holder assembly, battery, and connectors.
direct and general support maintenance is
Periodic testing of the Audible Alarm is not
governed by the Maintenance Allocation Chart
scheduled because the J-SIIDS is maintained
(MAC), Appendix B. The MAC authorizes on-
in continuous operation. Cleaning the exterior
site test and replacement of the electronics
of equipment cabinets is required periodically
assembly, fuse holder assembly, speaker,
to maintain equipment free of debris. Maintain
audible output transformer, power switch,
louvers in cabinet door and holes in face plate
tamper switches, power transformer, battery,
in an open and free condition.
capacitors, and connectors. The MAC also
Section IV. REMOVAL AND REPLACEMENT OF MAJOR COMPONENTS AND ASSEMBLIES
wires running from terminal boards to
conduits. Align notch on P2 with J2 and
WARNING
connect P2 to J2. Lock metal tabs
together and tighten collar on connector
Before removing any components turn
P2.
off power switch S1. After replacement
of components, turn on power switch
c. To remove speaker, loosen collar on
S1.
connector P2.
Turn metal tab 90
degrees and disconnect P2 from J2.
AND
INSTALLATION
Tag and disconnect wires that run from
PROCEDURES.
terminal boards to conduit. Slide inner
enclosure out of outer enclosure. Place
a. To remove the electronics assembly,
inner enclosure on bench. Note length
loosen collar on connector P2. Turn
and location of speaker wires.
metal tab 90 degrees and disconnect P2
Disconnect wires from terminal board.
from J2. Tag and disconnect wires that
Remove mounting screws from rear of
run from terminal boards to conduit.
enclosure and remove speaker.
Slide inner enclosure out of outer
enclosure. Place inner enclosure on
d. To install new speaker, cut speaker
bench. Remove screws, lock washers
wires to same length as wires on old
and washers, and disconnect connector
speaker. Trim insulation from 1/8 inch
J2 from P1.
Remove electronics
(3.175 mm) of end of wires and install
assembly mounting screws from rear of
crimp lugs. Insert mounting screws from
inner enclosure.
rear of enclosure and tighten to secure.
Connect wires to terminal boards.
b. To install, position new electronics
assembly on inner enclosure. Install
e. To remove audio output transformer,
mounting screws through rear of inner
note length and location of transformer
enclosure. Connect J1 to P1 and install
wires.
Disconnect wires.
Remove
screws, lock washers and washers.
mounting screws and lock washers, and
Slide inner enclosure into outer
remove transformer.
enclosure. Route wires through hole in
rear of inner enclosure.
Connect
