1. Line up and insert the tabs on the bottom of the safety cover into the slots on
the system board.
2. Slide the safety cover toward the back of the server until it is secure.
3. Connect the hard disk drive backplane power cables to the connector in front of
the safety cover.
4. Install the screw into the safety cover.
5. Install the server cover (see “Installing the cover” on page 206).
6. Slide the server into the rack.
7. Reconnect the external cables; then, reconnect the power cords and turn on the
peripheral devices and the server.
Removing and replacing Tier 1 CRUs
Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at
your request, you will be charged for the installation.
Note: The illustrations in this document might differ slightly from your hardware.
Removing the fan bracket
To replace some components or to create working room, you might have to remove
the fan-bracket assembly.
Note: To remove or install a fan, it is not necessary to remove the fan bracket. See
“Removing a hot-swap dual-motor hot-swap fan” on page 257 and “Installing a
hot-swap dual-motor hot-swap fan” on page 258.
To remove the fan bracket, complete the following steps.
Chapter 5. Removing and replacing server components 213