Remove the service access cover from the stand-alone model 285,52x, 55x,
or OpenPower 720
To remove the service access cover from a stand-alone model 285,52x, 55x,
or OpenPowerâ„¢ 720, do the following:
Loosen the two thumbscrews located at the back of the service access
cover as shown in the following figure.
Slide the service access cover toward the back of the system unit.
When the front of the cover clears the front frame ledge, lift the cover off
the system unit.
Attention: For proper cooling and
airflow, install the cover before starting the system. Operating the system
without the cover for more than 30 minutes could damage the system components.