3.Locate the three holes on each side of the chassis and locate the three correspond- ing holes on each of the inner rail.
4.Attach an inner rail to each side of the chassis and secure the inner rail to the chas- sis by inserting three Type G screws through the holes on each side of the chassis and the inner rail. (See the diagram below for a description of the Type G screw.)
5. Repeat the above steps to install the other rail on the chassis.