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A A
BC B
2.
Remove all the fan units.
For details, see "19.4 Removing a Fan Unit."
22.4.2 Removing the fan backplane
1.
Loosen the tw o screws (A in the figure) securing the upp er cover a nd then
slide th e right and left stoppers (B in the figure) inw ards. Then, rem ove t he
upper cover (C in the figure).
Figure 22-2
Removing the upper cover
2.
Loosen the one screw (A in the figure) securing the lower co ver and then
slide th e lower cover to the left to remove it.
Chapter 22 Maintaining the Fan Backplane of the Crossbar Box 361