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a. Remove the eight screws around the perimeter of the top panels at the front and rear of the rack
top-frame assembly. Remove the two top panels (item 1 in the preceding illustration).
b. Carefully note the orientation and position of the foam and metal air baffle (item 4 in the preceding
illustration) at the middle left side of the rack top frame assembly. Remove the screw, then tilt the
baffle toward the front of the rack top frame.
Note: The foam and metal upright air baffle must be reinstalled on the left side in its original
location. The foam baffle is a critical part for proper cooling of the BPEs.
c. Remove the single screw at each end of the cross brace (item 5 in the illustration on page 164).
Remove the cross brace.
d. Remove the two screws at the front of the left BPE rail, and remove the rail (item 3 in illustration
on page 164).
e. Remove the two screws at the rear of the right BPE rail, and remove the rail (item 3 in illustration
on page 164).
1 Rack Top Frame
2 Rack Chassis
8. Remove the 16 M8 X 20mm bolts (part number 1624804)
9. Lift the rack top frame off the locating pins and remove it.
Note: Two people are required to lift and position the rack top-frame assembly.
4
3
2
Appendix J. Removing and Installing the Rack Top Frame
3 Top Frame Bolts
4 Rack Top-Frame Cross Brace
165
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