3. Remove the fan.
CAUTION: Do not operate the server for long periods with the access panel open or
removed. Operating the server in this manner results in improper airflow and improper cooling
that can lead to thermal damage.
To replace the component, reverse the removal procedure.
Removing and replacing the power supply backplane
1. Power off the server (“Powering off the server” (page 94)).
2. Remove all power supplies (“Removing and replacing a hot-swap power supply” (page 98)).
3. Extend or remove the server from the rack (“Removing the server from the rack” (page 95))
or “Extending the server from the rack” (page 93)).
4. Remove the access panel (“Removing the access panel” (page 43)).
5. Remove the PCI cage (“Removing the PCI riser cage” (page 43)).
6. Remove the necessary memory risers (“Installing DIMMs” (page 49)).
7. Remove the power supply backplane.
102 Removal and replacement procedures