Install the front cover on the rack-mounted model 285, 52x, 55x, or OpenPower® 720, or the 0595 expansion unit

You might need to install the cover after accessing components or performing service. Use the procedure in this section to accomplish this task.

1. Position the cover on the front of the system or expansion unit so that the two thumbscrews C align with the screw holes on the front of the system or expansion unit A, as shown in the following figure.
2. Push the cover-release latches B in the direction of the arrows to attach the cover to the front of the system or expansion unit. The latches will hold the cover in place.
   
3. Tighten the thumbscrews.
4. Close the front rack door.