Removal and replacement procedures 26
Unlock the tower bezel
The removable bezel must be unlocked and opened before accessing the hard drive cage and media
bays. It must be unlocked before removing the access panel. The bezel must remain closed during normal
server operations.
If necessary, remove the bezel by lifting the open bezel from the chassis.
Access panel
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and
the internal system components to cool before touching them.
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.
1. Power down the server (on page 25).
2. Remove the server from the rack, if necessary ("Remove the server from the rack" on page 25).
3. Unlock and open the bezel ("Unlock the tower bezel" on page 26).
4. Loosen the two thumbscrews.
5. Slide the access panel toward the rear of the server and remove from the server.
After installing hardware options, install the access panel. Be sure that the panel is locked into place
securely before powering up the server.
System fan air baffle
1. Power down the server (on page 25).
2. Remove the server from the rack, if necessary ("Remove the server from the rack" on page 25).
3. Unlock and open the bezel ("Unlock the tower bezel" on page 26).
4. Remove the access panel ("Access panel" on page 26).