Install the front cover on the stand-alone model 285, 52x, 55x, or OpenPower® 720

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

1. Place the two lower cover-locking tabs into the retaining slots located on the base of the system unit as shown in the following figure.
   
2. Rotate the cover up toward the top of the system, ensuring that the aligning pins are aligned with their matching slots located on the system.
3. Gently push the cover in until the two cover-release levers are seated in their respective slots.
4. Install or replace the door on the model 285, 52x, 55x, or OpenPower 720.