Chapter 5 Installing Optional Products> 5.2 Drive Enclosure InstallationETERNUS DX60/DX80 Disk storage system User Guide168 Copyright 2009 FUJITSU LIMITEDP3AM-3042-03ENZ0The four M5 screw positions for the rack rails (brackets) are determined relative to thedrive enclosure base line.The M5 screws should be inserted in the 1st and 3rd holes above the base line.4 Tighten the M4 screws of the rack rails (brackets) that were slightly unscrewed inStep 2.5 First remove the front cover.Refer to "2.2.3 Attaching and Removing the Front Cover" (page 58) for the appropriateprocedure.6 Install the drive enclosure in the rack.CAUTION Do• When installing or removing the drive enclosure to or from therack, make sure to have the right and left sides and thebottom of the drive enclosure by two or more people. Failureto do so may cause injury.(Front rack pillars)(Rear rack pillars)Bracket RBracket LScrew holdersM5 screwsScrew holdersScrew holdersScrew holdersM5 screwsM5 screwsM5 screwsDrive enclosure1st position(M5 screws)3rd position(M5 screws)1st position(M5 screws)3rd position(M5 screws) 2URack rails(Brackets)Base line ofdrive enclosure[Left] [Right]