support.dell.com Rack Installation Guide 11DELL CONFIDENTIAL - Preliminary 9/8/00(Rev. 9/8/00) FILE LOCATION: S:\SYSTEMS\MARCONI\Rackingd\7U\05KCEa00\05KCEeb0.fm5. Align the slide-assembly mounting-bracket flange (on the front of the slideassembly) with the square holes in the front vertical rails (see Figure 8).6. Push the slide assembly forward until the mounting hooks are located in theirrespective square holes on the vertical rail, and then push down on the mounting-bracket flange until the mounting hooks engage the square holes in the frontvertical rail, allowing the push button to pop out and click.7. At the back of the cabinet, pull back on the mounting-bracket flange until themounting hooks are located in their respective square holes, and then push downon the mounting bracket flange until the mounting hooks engage the squareholes on the back vertical rail, allowing the push button to pop out and click.8. Repeat steps 4 through 7 for the remaining slide assembly on the other side ofthe rack.Ensure that the rails are mounted at the same position on each side of the rack.Installing the Shoulder Screws and the Rack AdaptersCAUTION: The computer may weigh up to 32 kilograms (kg) (70 pounds[lb]) when fully loaded. To prevent personal injury, do not attempt to movethe computer by yourself.1. Lay the computer on its left side and remove the feet from the computer:a. Using a small flat-blade screwdriver, unscrew the screw securing each foot.b. Pull each foot from the chassis.2. Remove the rubber plugs from the screw holes on the computer’s side panel.