Section II. INSTALLATION IN 280 SHELTER
6 and 10 before reinstalling the front
(3) Remove ground rod, hanger and bracket
(fig. 10). Remove front panel assembly; mark and drill
Hand blind riveter (5120-00679-6523)
four 0.41-in. diameter holes in front wall and install four
is used for installing blind rivet nuts
5/16-in. blind rivet nuts (MS27130-A44) in accordance
in floors and walls. Install blind rivet
nuts in accordance with the technical
manual supplied with the hand blind
b. Follow steps (1) thru (23) below for equipment
installation in 280 shelter, unit 1.
Position floor, table, and lathe
(1) Fabricate lathe mounting plate (7551819)
mounted components as shown in
in accordance with figure 12. Position lathe mounting
plate (7551819) on front end of shelter floor (fig. 2).
mounting holes as templates for
Secure in place, using twelve 5/16x 1-1/2-in.
location of blind rivet nuts. Positions
countersunk cap-socket head machine screws
may be varied to drill into structural
members in the floor.
(2) Fabricate right wall angle (7551820) and
a. Install blind rivet nuts in 280 shelter, unit 1 as
left wall angle (7551821) in accordance with figure 13.
Fabricate left brace (7551822) and right brace (7551823)
in accordance with figure 14. Position and secure right
(1) Mark and drill eighteen 0.41 in. diameter
wall angle (7551820) and left wall angle (7551821) to
holes in floor and install six 5/16-in. blind rivet nuts
front wall, using four 5/16x 1-in. hex head capscrews
(110212351) and twelve 5/16-in.
blind rivet nuts
engine lathe leveling screws flush with bottom of engine
(2) Mark and drill ten 0.41-in. diameter holes
Position engine lathe on
in door end wall and install ten 5/16-in. blind rivet nuts
lathe mounting plate, and using the lathe leveling screws
as a template, mark and tap four holes for fasteners (fig.
12). Secure, using four
x 3-in. hex head capscrews
and four 17/32-in. flat washers (MS27183-18). (It may
Installation of blind rivet nuts in front
be necessary to drill four 0.50-in. diameter holes in floor
wall requires removal of front panel
to allow 1/2x 3in. hex head capscrews to seat properly.)
assembly. Proceed with modification
Secure left brace (7551822) and right brace (7551823) to
of front panel assembly by relocating
right and left wall angles, using two 3/8 x 1-in. hex head
the components on the front panel
capscrews (MS90725-60), two 3/8-in.
assembly and reusing the supplied
(MS35338-46), and two 3/8in. hex nuts (MS51967-8) in
fasteners in accordance with figures