TB 9-4940-548-30
4. Installation--Continued
outlet to wall, using four 1/4- x 7/8-in. tapping screws
(MS51869-26).
no. 1 and 6 parallel to the bottom of the steel plate in
accordance with figure 16. Weld electrical receptacle
(10) Mark and drill a 0.75-in. diameter hole in
connector to steel plate with a 0.12-in. fillet weld in
back wall of existing main switchbox to allow clearance
accordance with MIL-STD-1261.
for one of the 5/16-in. hex nuts securing electrical
receptacle connector to be tightened against inner wall
of van. (Refer to figure 15.)
(4) Fabricate
gasket
(11021184)
in
accordance with figure 14.
(11) Using strap loop (MS51939-3) as a
template, mark and drill two 0.25-in. diameter holes in
(5) Apply a coat of synthetic rubber general
accordance with figure 13. Install two #10 blind rivet
purpose adhesive (MMM-A-189) on steel plate and
nuts (MS27130-A27). Secure strap loop, using two #10
attach gasket.
x 1-in. countersunk head machine screws (MS35190-
275).
(6) Fabricate four steel pipe spacers (ASTM-
A53) from 0.50-in. ID steel pipe of a suitable length to fit
(12) Remove wiremold covers (one each from
between outer and inner walls of van.
WRM 20G512 and WRM 20G618) ; mark and drill ten
0.19-in. diameter holes in wiremold bases in accordance
(7) Install steel pipe spacers between walls of
with figure 8. Hole locations may have to be changed to
van through the 2.62-in. diameter hole (fig. 16). The
avoid mounting screws touching receptacles.
steel pipe spacers may be held in place using rods of a
suitable size inserted in mounting holes from the inside
(13) Connect two wiremold bases together
of van.
(one each WRM 20G512 and WRM 20G618) using one
wiremold coupling (5975-00-823-0977).
Position
(8) Complete wiring of electrical receptacle
connected wiremold bases on left side wall above
connector (5935-00-259-0340) in accordance with figure
furnished angle iron in accordance with figure 9. Using
wiremold bases as a template, mark and drill ten 0.12-in.
adhesive (MMM-A-189) to gasket and position electrical
diameter pilot holes in van wall. Secure wiremold bases
receptacle connector through 2.62-in. diameter hole on
to van wall using ten #10 x 1/2-in. tapping screws
outside front wall in accordance with figures 13 and 16.
(MS51861-45).
Secure, using four 5/16- x 3-in. machine bolts
(MS90725-44), (inserting from outside of van), four 5/16-
(14) Reposition front covers of wiremolds
in. lockwashers (MS35338-45), and four 5/16-in. hex
together. Position one wiremold cover clip (WRM 2006)
nuts (MS51967-5).
over joint of wiremolds. Attach wiremold blank end fitting
(5975-00-879-4938) to rear end of wiremold base and
(9) Remove the four existing screws securing
wiremold entrance end fitting (5975-00-673-7658) to
110-volt outlet to outer front wall of van and discard. Pull
front end of wiremold base. Refer to figure 9.
110-volt outlet away from wall and remove wires.
Position 110-volt outlet in accordance with figure 13. -
(15) Repeat operations in steps 12, 13, and 14
Rewire in accordance with figure 16. Secure 110-volt
above for installation of wiremold on right side of wall in
accordance with figure 10.
9
