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12. Continue with “Removing the CRUs.”
Installing the DS4700 Express
This section provides instructions on installing the DS4700 Express. The installation
process includes:
v “Removing the CRUs”
v “Installing the DS4700 Express into a rack on the support rails” on page 46
v “Replacing the components” on page 48
Removing the CRUs
This section describes how to remove the CRUs to minimize the weight of the
DS4700 Express before you install it in the rack. However, if you have three or
more people available to lift and install the DS4700 Express in a rack, you might
not find it necessary to remove the CRUs before you install the DS4700 Express. If
this is the case, you can skip the CRU removal instructions provided in this section.
Instead, continue with “Installing the DS4700 Express into a rack on the support
rails” on page 46, and then skip the CRU replacement instructions provided in
“Replacing the components” on page 48.
Attention: IBM strongly recommends that you remove CRUs from the DS4700
Express chassis to lessen the weight to make it easier to transfer the DS4700
Express Storage Subsystem from the shipping box to the rack.
Use the following procedures to remove the CRUs from the DS4700 Express before
installation. Use these instructions after you have completed all applicable site,
rack, and preparations (as listed in “Preparing for installation” on page 34) and
installed the support rails (as listed in “Installing the support rails” on page 36).
Alternately, if necessary, you can use these instructions to lighten the DS4700
Express before removing it from the shipping box. The shipping box opens to
provide access to the storage subsystem CRUs.
Rear of Rack
1
3
4
2
5
2
6
Figure 20. Installing the support rails
40 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide