Install the service access cover on the model 285,51x,52x, 55x, 710, or OpenPower® 720
You might need to install the service access cover after performing
service or accessing internal components. Use the instructions in this section
to accomplish this task for your model.
Open the model 505 service access panel
You might need to open the service access panel to perform service
on the fans, control panel, or to access other internal components. Use the
procedure in this section to perform this task.