TB 9-4940-321-30
(2) Mark and drill four 0.34-in. diameter holes
5.
Installation--Continued
in bottom plate of 30drawer storage cabinet (7125-00-
9991121).
Locate at the four corners allowing for
potting compound as required and install twelve 5/16-in.
minimum required clearance for 5/16-in. hex head
blind rivet nuts (11021235-3) in accordance with figure
capscrews. Position 30-Jrawer storage cabinet against
Install twenty-one 5/16-in. blind rivet nuts
front right wall in accordance with figure 23 and over
(11021235-1) in accordance with figures 26, 29, and 30.
installed blind rivet nuts in accordance with figure 24.
Secure to floor, using four 5/16x 7/8-in. hex head
(3) Mark and drill twelve 0.50in. diameter
capscrews (MS9072533) and four 5/16-in. lockwashers
holes to a maximum depth of 1.50 inches in fixed floor in
(MS35338-45).
accordance with figure 24. Inject potting compound as
required and install four 3/8-in.
blind rivet nuts
(3) Fabricate three support angles (11021208)
(11021235-2) and eight 3/8-in.
blind rivet nuts
in accordance with figure 35. Position support angle on
(11021235-4).
top of 30-drawer storage cabinet and against the wall in
accordance with figure 23 so that the two 0.34-in.
b. Install strap loops in ISO-2-1 shelter, unit 2 as
diameter holes are on 30-drawer storage cabinet top
follows: Secure fourteen strap loops (MS51939-3) to
surface and positioned over installed blind rivet nuts in
right and left walls in accordance with figures 25 and 27,
accordance with figure 26. Secure support angle on
using twenty-eight #10 x 1/2-in. countersunk head
wall above installed 30-drawer storage cabinet, using
machine screws (MS35190-271).
three 5/16x 7/8-in. hex head capscrews (MS90725-33)
and three 5/16-in. lockwashers (MS3533845). Using
c. Follow steps (1) thru (26) below for equipment
support angle as a template, mark and drill two 0.34-in.
installation in ISO-2-1 shelter, unit 2.
diameter holes through top of 30-drawer storage cabinet.
Secure support angle to 30drawer storage cabinet top,
(1) Fabricate lathe mounting plate (11021199)
using two 5/16x 1-in. hex head capscrews (MS90725-
in accordance with figure 31. Position lathe mounting
34), two 5/16-in. flat washers (MS27183-11), two 5/16-
plate on front end of floor in accordance with figure 23
in. lockwashers (MS35338-45), and two 5/16-in. hex
over installed blind rivet nuts in accordance with figure
nuts (MS51967-5).
3/8x 1-1/2-in. countersunk cap-socket head machine
(4) Mark and drill four 0.34-in. diameter holes
screws (MS24667-54). Adjust lathe leveling screws until
each in the bottom plate of 30-drawer storage cabinet
they are flush with bottom edge of engine lathe base.
(7125-00999-1121) and 20-drawer storage cabinet
Position engine lathe (3416-01-0308195) on lathe
(7125-00-999-1123). Locate at the four corners allowing
mounting plate and, using the lathe leveling screws as a
for minimum clearance for 5/16-in. hex head capscrews.
template, mark and tap four holes for fasteners (fig. 31).
Position storage cabinets in accordance with figure 25
Secure, using four 1/2x 3-in. hex head capscrews
and over installed blind rivet nuts in accordance with
(MS90725-119), four 17/32-in. flat washers (MS27183-
18), and four 1/2-in. lockwashers (MS35338-48).
head capscrews (MS90725
Clearance holes, 0.53-in. diameter, may have to be
drilled into floor if the mounting screws (lathe) project
below floor level (fig. 31).
18
