TB 9-4910-746-30
4.
Installation--Continued
each duplex junction box in line with
bows. Install twelve box connectors
g. Follow steps (1) thru (14) below
(Appleton 15233) in the junction boxes
and install jam nuts on connectors in
for electrical component installation
accordance with figure 24.
in unit 2, M35A2 cargo truck.
(1) To provide sufficient head-
(8) Fabricate four power cable
assemblies (11021163, 11021164, 11021165,
room for personnel to work in the M35A2
and 11021166) using approximately 14
cargo truck, raise the bows 18 inches
feet of flexible cord (6145-00-295-
and drill ten 0.44-in. diameter holes
0855). Install four box connectors
through bow sockets and bows in accord-
ance with figures 22 and 23.
(Appleton 15233). Refer to figures 25
thru 28 for individual power cable
(2) Secure bows in place with ten
assembly construction, and install in
accordance with figures 21 thru 24.
7/16- x 1-3/8-in. hex head capscrews
(MS90725-88), ten 7/16-in. lockwashers
(9) Install a 28-foot length of
(MS35338-47), and ten 7/16-in. hex nuts
flexible cord (6145-00-295-0855) through
(MS51967-11).
duplex junction boxes and lampholder
junction boxes on second and fourth
(3) Position switch box (Square D
bows. Refer to figure 24. Strip a 3-
D221NRB) on the two top slats in accord-
inch length of outside insulation from
ance with figure 22. Using holes of
flexible cord on inside of each junc-
switch box as a template, mark and
tion box. Strip 1 inch of insulation
drill four 0.12-in. diameter pilot
from each individual wire and twist
holes. Secure switch box to truck slat
wire to fit terminal lugs (MS20659-
with four #10 x 1-in. thread forming
141). Install and crimp terminal lugs
screws (MS51861-49).
in place in accordance with figure 24.
(4) Install electrical power
(10) Connect three wires to one
cable assembly (4910-00-800-1405)
lampholder (GE-5740-7) and secure to
through box connector in bottom of
lampholder junction box (Appleton 40-
switch box and connect to circuit
3/4) with screws provided with lamp-
breaker inside switch box in accordance
holder junction box. Repeat this step
with figure 22.
for the remaining three lampholder
junction boxes. Refer to figures 22
(5) Position four lampholder
and 23.
junction boxes (Appleton 40-3/4) on
innner side of second and fourth bows
(11) Install four grounded duplex
as in shown in figure 21. Mark and
receptacles (5935-01-058-9269) after
drill eight 0.12-in. diameter pilot
stripping 3 inches of outside insul-
holes and secure lampholder junction
ation from flexible cord. Refer to
boxes to bows with eight #10 x 1-in.
figure 24. Strip 1 inch of insulation
thread forming screws (MS51861-49).
from each individual wire and twist
wires to fit terminal lugs (MS20659-
(6) Position four duplex junction
141).
Install terminal lugs and crimp.
boxes (5975-00-281-0090) on bows as
Connect wires to grounded duplex recep-
shown in figures 22 and 23. Mark and
tacles and secure grounded duplex
drill eight 0.12-in. diameter pilot
receptacles to duplex junction boxes
holes and secure duplex junction boxes
with screws provided with grounded duplex
to bows with eight #10 x 1-in. thread
receptacles in accordance with figures
forming screws (MS51861-49).
22 thru 24.
(7) Remove two knockout slugs
from each lampholder junction box and
13
