Technical data

Figure 3–27: Removing the Fan Assembly
Mounting
Bracket
MLO-004221
Continuity Clip
3.11 Removing a Backplane
This section covers the removal procedures for both the BA440 backplane
(54–19354–01) and the BA430 backplane (54–20181–01).
The backplane is the only part of the BA430/BA440 enclosure that must
be removed from the rear. To remove the backplane, follow the steps listed
below:
1. Turn off the system power switch and unplug the ac power cord from
the wall outlet.
2. From the front of the BA430/BA440 enclosure
a. Unlock and open both doors.
b. Remove the top door by swinging it out past 90 degrees and lifting
it off the hinges.
3–38 BA430/BA440 Enclosure Maintenance