Step 4. (For non-threaded hole racks) Install a clip nut in the front of the rack in the top hole of the U-spaceposition that you select. The clip nuts are in the bag of screws that come with the console unit.Step 5. To attach the outer slide-rail to the rack, complete the following steps.Note: Install the rear slide-rail bracket on the rear of the rack first; then, install the front slide-railbracket on the front of the rack.a. Holding the slide-rail horizontally, align the rear slide-rail bracket so that the bracket is on theoutside of the rack mounting flanges.b. Press the rear slide-rail bracket toward the rack flange and then pull it towards the front of therack until the locking bracket clicks into place behind the rack flange.Slide-rail rearc. Extend the slide-rail and press the front slide-rail bracket toward the rack flange and then pushit toward the rear of the rack until the locking bracket clicks into place behind the rack flange.Chapter 2. Installing the console unit in the rack 9