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:

  1. Loosen the two thumbscrews located at the back of the service access cover as shown in the following figure.
    Remove the service access cover from the stand-alone system unit
  2. 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.

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