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Procedure
1. Carefully lower the cover and ensure that it is aligned correctly with the back of the enclosure, as
shown in Figure 39 on page 49.
Figure 39. Aligning the top cover
2. Push the cover release lever to the side (
3. Slide the cover towards the back of the enclosure (
page 49.
Figure 40. Replacing the top cover
4. Verify that the cover correctly engages the cover release latch and all of the inset tabs on the
expansion enclosure.
5. Lock the cover into position by sliding the release lever
Figure 41. Locking the top cover
Installing or replacing a 5U expansion enclosure in a rack
Use the following procedure to place a 5U expansion enclosure in a rack during the installation process.
To complete some service tasks, you might also need to slide the enclosure back in to the rack.
About this task
Important: The 5U expansion enclosure is heavy. Before you install the expansion enclosure in the rack
for the first time or replace it in the rack to complete a service task, review and implement the following
tasks:
• Always use a suitably rated mechanical lift or four persons to raise the enclosure to install it in the rack.
Even after the drives, power supply units, secondary expander modules, canisters, fans, and top cover
are removed, the enclosure weighs 43 kg (95 lbs).
• Install the expansion enclosure in the lowest position in the rack. Figure 42 on page 50 shows an
example.
2
) as shown in Figure 40 on page 49.
3
) back until it stops, as shown in Figure 40 on
4
, as shown in Figure 41 on page 49
Chapter 4. Installing the system hardware 49
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