Gateway 8400 - Manual (Page 19)

14 Installation
4 Position the back mounting bracket (longer bracket) on the back vertical
mounting rail.
5 Attach the back mounting bracket to the back vertical mounting rail
using two screws from the accessory kit.
If screw holes in the back vertical mounting rail are not threaded, attach
the back mounting bracket by using the screws and bar nut from the
accessory kit.
6 Mount the second set of brackets on the opposite side of the cabinet by
repeating Steps 2 through 5.
Installing the cabinet mounting rails onto
generic brackets
To install the cabinet mounting rails onto generic brackets:
1 Align the back end of the cabinet mounting rail to the back mounting
bracket by sliding the inner rail forward (if the spring latch locks the inner
rail into place, free the rail by releasing the spring latch).
Inner slide
Spring latch
Back mounting
bracket
Inner rail
Front mounting
bracket
Hex nut
Star washer