TB 9-4940-332-30
each duplex junction box in line with
4.
Installation--Continued
bows . Install twelve box connectors
(Appleton 15233) in the junction boxes
b. Follow steps (1) thru (14) below
and install jam nuts on box connectors
for electrical component installation in
in accordance with figure 9.
M35A2 cargo truck.
(8) Fabricate four power cable
(1) To provide sufficient head-
assemblies (11021163, 11021164, 11021165,
roan for personnel to work in the M35A2
and 11021166) using approximately 14
cargo truck, raise the bows 18 inches to
feet of flexible cable (6145-00-295-
a total height of 78 inches in accord-
0855). Install four box connectors
ance with figures 7 and 8, and drill ten
(Appleton 15233). Refer to figures 10
0.44-in. diameter holes through bow
thru 13 for individual power cable
sockets and bows.
assembly construction, and install in
accordance with figures 6 thru 9.
(2) Secure bows in place with ten
7/16- x 1-3/8-in. hex head capscrews
(9) Install 28 feet of flexible
(MS90725-88), ten 7/16-in. lockwashers
cable (6145-00-295-0855) through duplex
(MS35338-47), and ten 7/16-in. hex nuts
junction boxes and lampholder junction
(MS51967-11).
boxes on second and fourth bows. Refer
to figures 6 thru 8. Strip a 3-in.
(3) Position switch box (Square D
length of outside insulation from
D221NRB) on the two top slats in accord-
flexible cable on inside of each junc-
ance with figure 7. Using holes of
tion box. Strip 1 inch of insulation
switch box as a template, mark and drill
from each individual wire and twist
four 0.12-in. diameter pilot holes.
wire to fit terminal lugs (MS20659-
Secure switch box to truck slat with
141). Install and crimp terminal lugs
four #10 x l-in. thread forming screws
in place in accordance with figure 9.
(MS51861-49).
(10) Connect three wires to lamp-
(4) Install electrical power cable
holder (GE-5740-7) and secure to lamp-
assembly (4910-00-800-1405) through box
holder junction box (Appleton 40-3/4)
connector in bottom of switch box and
with screws provided with lampholder
connect to circuit breaker inside switch
junction box. Repeat this step for
box in accordance with figure 7.
remaining three lampholder junction
boxes. Refer to figures 6 thru 9.
(5) Position four lampholder
junction boxes (Appleton 40-3/4) on
(11) Install four grounded duplex
inner side of second and fourth bows as
receptacles (5935-01-058-9269) after
shown in figure 6. Mark and drill eight
stripping 3 inches of outside insula-
0.12-in. diameter pilot holes and
tion from flexible cable. Refer to
secure lampholder junction boxes to bows
with eight #10 x l-in. thread forming
frun each individual wire and twist
screws (MS51861-49).
wires to fit terminal lugs (MS20659-
141). Install terminal lugs and crimp.
(6) Position four duplex junction
Connect wires to grounded duplex re-
boxes (5975-00-281-0090) on bows as
ceptacles, and secure grounded duplex
shown in figures 7 and 8. Mark and
receptacles to duplex junction boxes
drill eight 0.12-in. diameter pilot
with screws provided with grounded
holes and secure duplex junction boxes
duplex receptacles in accordance with
to bows with eight #10 x 1-in. thread
figures 6 thru 9.
forming screws (MS51861-49).
(7) Remove two knockout slugs
from each lampholder junction box and
6
