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• 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 41 on page 39 shows an
example.
Figure 41. Example installation of the enclosure in the rack
• Ensure that the drives are easily accessible. Avoid installing the 5U expansion enclosure above position
22U in the rack.
If you are reinstalling the expansion enclosure in the rack after you performed a service task (for example,
replacing the enclosure), you must also perform the following tasks:
• Reinstall all of the following parts:
– Cover
– Drives
– Fan modules
– Power supply units and 1U fascia
– Secondary expander modules
– Expansion canisters (and SAS cables)
• Reconnect both power cables to the expansion enclosure.
Procedure
1. Fully extend the left and right drawer sections from the rack to lock the rails in the extended position
(
1
in Figure 42 on page 39).
Figure 42. Replacing the 5U enclosure in the rack
2. Ensure that the ball bearing retainer clicks into place inside the front of the left and right drawer
sections (
2
in Figure 42 on page 39).
Reinstalling parts into the enclosure
3. Replace the top cover, as described in "Installing or replacing the top cover" on page 37.
Sliding the enclosure into the rack
Chapter 2. Installing the system hardware 39
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