HP StorageWorks Disk System 2405 User's Guide (This manual also covers the HP Surestore Disk System 2405)

Installation 59
Installation
6 Tighten the center nuts to finger tightness (see Figure 34).
7 Tighten all screws to their final tightness using a driver.
Tighten the screws that hold the rail to the columns first, before tightening the
center slide nuts to their final tightness.
8 Repeat the procedure above for the other rail.