The bracket rail consists of a fixed outer rail that screws to the rack mounting bracket, and an inner slide on a steel ball bearing movement. This inner slide does not detach.
Figure 3-6. Bracket rail with inner slide. The front of the rail is highlighted.
4.Lay the bracket rail inside the mounting bracket with the front of both pieces oriented in the same direction. Align the front screw holes in the mounting bracket and the bracket rail.
To identify the front of the mounting bracket and the bracket rail:
❏The front of the mounting bracket has alignment tabs on its flange.
❏The front of the bracket rail allows the inner slide to move forward on ball bearings.