HP 20 MODULAR SMART ARRAY User Manual page 24

Installing the Enclosure in a Rack
9. Remove the mounting bracket covers (1), and tighten the thumbscrews to secure
the enclosure to the rack (2).
10. Replace the mounting bracket covers.
11. If you intend to move the rack while the enclosure is installed, adjust the
shipping brackets on each rail to secure the enclosure to the rack.
a. Loosen the shipping bracket locknut (1).
3-6 HP StorageWorks Modular Smart Array 20 User Guide