IBM Storwize V5100 MTM 2078-12F, Quick Installation Manual

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Figure 47. Replacing the 2077-92F, 2077-A9F 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 47 on page 51).
Reinstalling parts into the enclosure
3. Replace the top cover, as described in “Installing or replacing the top cover: 2077-92F, 2077-A9F ” on
page 48.
4. Reinstall the remaining enclosure parts, as described in the following topics. You can reinstall the
parts in any order.
• “Installing or replacing the fascia: 2077-92F, 2077-A9F ” on page 43
• “Removing and installing a SAS cable: 2077-92F, 2077-A9F ” on page 55
Sliding the enclosure into the rack
5. Locate the left and right blue release tabs near the front of the enclosure. Press both release tabs
forward to unlock the drawer mechanism ( 3 in Figure 47 on page 51).
6. Push the enclosure firmly into the rack ( 4 in Figure 47 on page 51).
7. Tighten the locking thumb screws ( 5 in Figure 47 on page 51) to secure the enclosure in the rack.
8. Reconnect power to the expansion enclosure.
Installing or replacing the cable-management arm: 2077-92F, 2077-A9F
Use these procedures to install the cable-management arm (CMA) for the 2077-92F, 2077-A9F
expansion enclosure. You can also use these procedures to replace a faulty CMA assembly.
About this task
As part of the initial installation of the 2077-92F, 2077-A9F expansion enclosure, you must attach the
CMA. You might also need to replace a faulty CMA with a new one from FRU stock.
The cable management arm (CMA) consists of an upper arm and a lower arm assembly, as Figure 48 on
page 52 shows.
Chapter 2. Installing the system hardware 51