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2.6
Position the internal rail (GM89773) as shown in
Figure 4 (item 2).
Secure the internal rail to the upper bulkhead panel
using two bolts (X-6224-20), two washers
(X-25-37), and two nuts (X-6210-7).
On each end of the internal rail, secure a mounting
bracket (GM86091) using four bolts (X-6224-20)
and four nuts (X-6210-7) per bracket.
Figure 13 for more detail.
2.7
Position the internal rail (GM89772) as shown in
Figure 4 (item 11).
Secure the internal rail to the corner rail using a
mounting
bracket
(X-6224-20) and four nuts (X-6210-7).
Figure 13 for more detail.
Secure the other end of the internal rail to the rail
using a mounting bracket (GM86091), four bolts
(X-6224-20) and four nuts (X-6210-7). See
Figure 13 for more detail.
Note: Do not final tighten at this time.
3.
Attach the foam and seal on bulkhead.
Attach the foam and seal to the bulkhead as shown
D
in Figure 7 for standard sound shield kit or Figure 8
for UMS sound shield kit.
6
5
1. Foam (GM87548 qty. 2)
2. Foam (GM89778-12)
3. Foam (GM89778-14)
4. Seal (X-6422-38)
5. Foam (GM89778-15)
6. Foam (GM89778-13)
Figure 7 Foam and Seal Installation for Standard
Sound Shield Kit GM89754-KP1
TT-1605 5/16
See
(GM86091),
four
bolts
See
1
2
3
4
GM89754-A
Follow the below method to attach the foam
pieces for UMS sound shield kit:
3.1
Apply adhesive (GM96475) to the foam pieces as
shown in Figure 8.
3.2
Stick the insulating hanger stud (GM96473) onto
the adhesive at equal distances.
3.3
Install the foam piece and allows the stud to
protrude through foam piece.
3.4
Install a washer (GM96474) and cap (GM55130)
over the protruding stud.
8
7
1. Foam (GM88911 qty. 2)
2. Foam (GM89803-18)
3. Foam (GM89803-23)
4. Seal (GM89803-20)
5. Seal (X-6422-38)
6. Foam (GM89803-21)
7. Foam (GM89803-19)
8. Foam (GM89803-22)
Figure 8 Foam and Seal Installation for UMS Sound
Shield Kit GM90679-KP1
1
2
3
4
5
6
GM90679-C
5
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