TM 11-5895-463-15
c. Tag and disconnect the wires from the de-
a the binding post in Antenna Base AB-15/
fective component and remove the defective
GR mounted on the right exterior upper front
component from the power duct (fig. 4-8).
roadside wall of the shelter (fig. 4-7).
(c) C o n n e c t A n t e n n a C a b l e R 4 4 2 /
d. Secure the replacement component in the
VRC GPI connector to the ANT receptacle on
power duct.
Receiver, Radio R-442/VRC.
e. Connect the wires to the replacement
(d) Connect the other end of Antenna
component.
Cable R-442/VRC GPI to Antenna Base AB-
15/GR (with the UG279/U Adapter) located
f. Replace the cover on the power duct.
on the left exterior upper front roadside wall
g. Replace the fluorescent lamp and light
of the shelter (fig. 4-7).
shield.
VRC GPH connector to the ANT receptacle on
h. Operate the associated LIGHT switch to
Receiver-Transmitter, Radio RT-524/VRC.
ON.
Cable RT-524/VRC GPII to J1 on Antenna
Matching Unit-Base MX-6707/VRC that is
Heater
located on the exterior upper front curbside
wall of the shelter.
a. Removal.
(g) Connect Control Cable Assembly
(1) Operate
the HEATER-OFF-FAN
RT-524/VRC. to ANT CONT receptacle on
switch to OFF.
Receiver-Transmitter, Radio RT-524/VRC.
(2) Remove the heater power cord con-
(h) Connect the other end of control
nector plug from the twistlock HEATER re-
Cable Assembly RT-524/VRC to Matching
ceptacle (fig. 5-1).
Unit-Base MX-6707/VRC connector J2.
(3) Loosen the four turnlock fastenrs
(i) Connect Loudspeaker LS-454/U
that secure the heater to the mounting base.
able to Receiver, Radio R-442/VRC AUDIO
(4) Lift out the heater.
receptacle. J13.
b. Replacement.
(3) Disconnection of radio kit cables and
(1) Place the heater on the mounting base
wire assemblies. To disconnect the radio kit
so that the turnlock fasteners are aligned with
cables and wire assemblies, reverse the proce-
the holes in the mounting base.
dure given in d above.
(2) Tighten the four turnlock fasteners.
(3) Align the power cord connector plug
(4) Preoperational checks. Perform pre-
contacts with the HEATER receptacle (fig.
operational checks on the radio equipment in
5-1). Insert the connector plug contacts in the
accordance with the applicable technical man-
receptacle and twist clockwise until the con-
uals (appx A ).
tacts are seated.
4 - 7 . Repair of fluorescent Fixtures and
wiring
Note. The fluorescent light fixtures are fabricated as
Organizational repair of blowers is restricted
part of the power duct. The radiofrequency filters are
to replacement of ac power cords and the
sealed units; they are not repairable and are re-
blower motor and impeller.
placed as a complete unit.
a. Operate the BLOWER switch to OFF.
a. Operate the associated LIGHT switch to
OFF; remove the light shield and the fluores-
b. Remove the defective power cord, blower
ent lamp.
motor, or impeller.
b. Carefully pry off the associated power
rect connections for the required motor rota-
duct cover.
