Installing The Ds4700 Express Into A Rack On The Support Rails; Removing A E-Ddm Cru - IBM DS4700 Installation, User's, And Maintenance Manual

Figure 24. Removing a E-DDM CRU
5. Place the E-DDM CRU horizontally on a level surface.
6. Repeat step 1 through step 4 on page 45 for additional E-DDM CRUs.

Installing the DS4700 Express into a rack on the support rails

Complete the following steps to install the DS4700 Express in the rack cabinet.
CAUTION:
Do not install modules or other equipment in the top half of a rackmount
cabinet while the bottom half is empty. Doing so can cause the cabinet to
become top-heavy and tip over. Always install hardware in the lowest
available position in the cabinet.
Statement 4:
≥ 18 kg (39.7 lb)
CAUTION:
Use safe practices when lifting.
1. Put on antistatic protection, and keep it on while performing all of the remaining
46
IBM System Storage DS4700 Express Storage Subsystem: Installation, User's and Maintenance Guide
Attention: Do not stack E-DDM CRUs on top of one another. Protect the
E-DDM CRUs from vibrations or sudden shocks.
procedures in this chapter.
≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb)