TM 9-2320-211-20
holes in the switch box to bring the wires adjacent
(c) Remove all defective 115-volt lamps.
to the terminals.
(2) Installation.
(a) Install 115-volt, 60-watt white frosted
(b) Install the switch in the switch box with
two flathead machine screws. Connect the wires,
lamps.
marked in (1) (c) above, and ground to the switch
(b) Install the fluorescent tubes ( c above).
terminals from which they were removed.
(c) Close and secure the mesh guard with
the panhead tapping screws.
(c) Attach the cover plate to the switch box
with two flathead machine screws.
2-277. Blackout Switches
c. Hinged Roof-operated Blackout Circuit
a. Main Blackout Circuit Switch (Fig. 2-232).
Plungers (Fig. 2-233).
(1) Removal.
(1) Removal.
(a) See that the main power switch is in the
(a) Place the van side panel in its fully
OFF position.
expanded position, and support the hinged roof
(b) Remove the two screws attaching the
with swivel hooks (TM 9-2320-211-10).
cover plate to the switch, and remove the cover
(b) See that the main power switch is in the
plate.
O F F position.
(c) Remove the two screws attaching the
(c) Remove the four screws attaching the
switch box, and separate the switch from the box.
plunger plate to the edge of the hinged roof, and
(d) Disconnect the three electrical wires
remove the plunger plate.
from the switch terminals. Note the location of the
(d) Disconnect the two electrical wires from
connections for later installation.
the plunger terminals. Note the location of the
(2) Installation.
connections. and mark them for later installation.
(a) Connect the electrical wires to the
(2) Installation.
switch terminals from which they were removed.
(a) Connect the electrical wires, marked in
(See (1) (d) a b o v e ) .
(1) (d)above, and ground to the plunger terminals
(b) Attach the switch to the switch box with
from which they were removed with two roundhead
the two panhead tapping screws.
screws.
(c) Attach the cover plate to the switch with
(b) Attach the plunger plate to the hinged
the two ovalhead machine screws.
roof edge with four roundhead screws.
b. Door-operated Blackout Switches (Fig. 2-232
(c) Retract the van side panel to its fully
and 2-238).
retracted position. (TM 9-2320-211-10).
(1) R e m o v a l .
d. 110-Volt Receptacle and Blackout Switch
(a) See that the main power switch is in the
OFF position.
(1) Removal.
(b) Remove the two screws attaching the
(a) See that the main power switch is in the
cover plate to the switch box, and remove the cover
OFF position.
plate.
(b) Remove the three screws attaching the
(c) Disconnect the electrical wires from the
cover plate to the switch, and remove the cover
switch terminals. Note the location of the con-
plate.
nections and mark them for later installation.
(c) Remove the two screws attaching the
(d) Remove the two screws attaching the
switch to the switch box, and separate the switch
switch to the switch box, and remove the switch
box.
from the box.
(d) Disconnect the three electrical wires
(2) Installation.
from the switch terminals. Note the location of the
(a) Thread the electrical wires through the
connections, and mark them for later installation,
