TB 9-4940-321-30
4.
Installation--Continued
ten 0.34-in. diameter holes through the adjacent walls of
the storage cabinets.
braces as templates, mark and drill two 0.41-in.
(7) Position three shelves (7551832) in
diameter holes into each end of engine lathe cabinet.
Secure left and right braces to engine lathe cabinet,
shelf between wall-mounted shelf supports (7551834)
using four 3/8-x 1-in. hex head capscrews (MS90725-
and wall; secure other end to bench supports and
storage cabinets, using six 5/16x 3/4-in. hex head
3/8-in. hex nuts (MS51967-8).
capscrews (MS90725-32), six 11/32-in. flat washers
(MS27183-12), six 5/16-in. lockwashers (MS35338-45),
(3) Fabricate rest of components listed in
and six 5/16in. hex nuts (MS51967-5). Secure just the
bench supports to cabinets, using four 5/16x 3/4-in. hex
three shelf supports (7551834) on rear wall in
head capscrews (MS90725-32), four 11/32-in.
flat
accordance with figure 9. Secure, using six 5/16x 1-in.
washers (MS27183-12), four 5/16-in.
lockwashers
hex head capscrews (MS90725-34) and six 5/16-in.
(MS35338-45), and four 5/16-in. hex nuts (MS51967-5).
lockwashers (MS35338-45).
(8) Position right side table top (7551824) and
(4) Position right side table support angle
left side table top (7551825), with notched end on left
(7551826) on right rear wall; position left side table
side of 280 shelter, on top of bench supports and table
support angle (7551827) on left rear wall in accordance
Using the holes in top flange of installed bench supports
head capscrews (MS90725-34) and four 5/16-in.
as templates, mark and drill eighteen 0.34-in. diameter
lockwashers (MS35338-45) (two each angle).
holes through table tops and countersink the holes in
accordance with figure 15. Secure table tops to bench
(5) Position 30-drawer storage cabinet (7125-
supports, using twelve 5/16x 13/4-in. countersunk head
00-999-1121) and three 20-drawer storage cabinets
machine screws (MS35190-309). Secure table tops to
table support angles, using six 5/16x 2-in. countersunk
Position four bench supports (7551828, 7551829,
head machine screws (MS35190-310), eighteen 5/16-in.
7551830, and 7551831) in accordance with figures 4 and
5 over installed blind rivet nuts in
accordance with figure
nuts (MS51967-5).
3. Secure bench supports to
floor, using twelve 5/16x
3/4-in. hex head capscrews (MS90725-32), twelve
(9) Position base of upright drilling machine
11/32-in. flat washers (MS27183-12), and twelve 5/16-
in. lockwashers (MS3533845).
top in accordance with figure 2. Using base of upright
drilling machine as a template, mark and drill three 0.41-
CAUTION
in. diameter holes through right side table top and
Be sure storage cabinet drawers
storage cabinet. Secure, using three 3/8x 3-3/4-in. hex
adjacent to hole locations are
head capscrews (MS90725-73), three 13/32-in. flat
removed before drilling.
washers
(MS27183-14),
three
3/8
(6) Using the installed bench supports as
templates, mark and drill
14