TM 9-2320-211-20
(d) Close the ring door, and tighten the ring
(1) Insert the jack posts through the rubber
door locking screw.
grommets in the box, and secure each with one
(2) Replacement
of
lamps.
hexagon nut.
(2) Connect the wires to the jack posts with
(a) Loosen the ring door locking screw.
Then, open the ring door, and remove the lamp.
two roundhead screws.
b. Install a 60-watt white frosted lamp in
(3) Position the box in the panel (or ceiling),
the emergency light fixture or a 25-watt blue lamp
and secure it with four panhead tapping screws.
in the blackout light fixture.
(c) Close and secure the ring door.
a. Removal.
NOTE
The outside jack posts are located on the
outside left rear panel, in line with the rear
inside jack posts. Most of the outside jack
post replacement procedure is performed
through the rear inside jack post box.
(1) Working inside the van body, remove the
four screws attaching the rear inside jack post box
to the panel, and remove the box.
( 2 ) Remove the screws attaching the con-
necting wires to the outside jack posts, and
disconnect the wires.
(3) Remove the nuts holding the outside jack
posts in the box.
(4) Working outside the van body, open the
b. Light fixtures (Fig. 2-243).
spring-hinged cover on the left rear panel, and
(1) R e m o v a l .
withdraw the outside jack posts.
(a) See that the main power switch is in the
b. Installation.
OFF position. Loosen the ring door locking screw,
CAUTION
and open the ring door.
Be careful that the bare wires do not touch
(b) Remove the four screws in the reflector
each other or any other metallic van body
flange attaching the fixture to the ceiling, and
components.
separate the fixture from the ceiling.
(1) Working outside the van body, open the
(c) Disconnect the electrical wires from the
spring-hinged cover on the left rear panel, and
socket terminals. Note the location of the con-
insert the jack posts through the rubber grommets
nections for later installation.
in the box.
(2) Working inside the van body, secure the
outside jack posts in the box with hexagon nuts.
(3) Connect the wires to the outside jack posts
with roundhead screws.
(4) Position the rear inside box on the panel,
and secure it with four panhead tapping screws.
2-275. Emergency Light and Blackout Light
Fixtures
NOTE
Replacement procedures for the emergency
light and blackout light fixtures are
identical.
a. Lenses and Lamps (Fig. 2-242).
(a) Loosen the ring door locking screw and
open the ring door.
(b) Pull the lens retaining clip from the ring
door, and remove the lens.
(c) Position the white lens in the emergency
light ring door, or blue lens in the blackout light
ring door, and secure it with the lens retaining clip.
light Fixture.
