2. Place the fan assembly in the hinge bracket and swing the fan assembly down until the release lever snaps into place.
3. Replace the system cover.
4. Close the front bezel.
Removing the Back Fan Assembly
1. Open the front bezel (see "Removing the Front Bezel" in "Troubleshooting Your System").
2. Remove the system cover.
3. Remove the cooling shroud (see "Removing the Cooling Shroud").
4. Press the release latch and lift the fan assembly straight up to clear the chassis (see Figure6-3).
Figure 6-3. Removing the Back Fan Assembly
5. Disconnect the fan assembly power cable from the fan connector (REAR FAN) on the system board (see Figure6-1).
Replacing the Back Fan Assembly
1. Connect the fan assembly power cable to the fan connector (REAR FAN) on the system board (see Figure6-1).
2. Align the fan assembly with the fan assembly guide on the back-panel, and push down until the fan assembly is firmly seated and the latch is engaged (see
Figure6-3).
3. Install the cooling shroud (see "Installing the Cooling Shroud").
4. Replace the system cover.
5. Close the front bezel.
Removing and Replacing Individual Fans
There are four fans contained in two fan assemblies. The procedure for removing and replacing the four fans are the same.
To remove a fan:
1. Open the front bezel (see "Removing the Front Bezel" in "Troubleshooting Your System").
2. Remove the system cover.
3. Locate the faulty fan and while pressing the fan release lever, lift the fan straight up to clear the fan assembly (see Figure6-4).
Figure 6-4. Removing/Replacing a Fan
CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace one fan at a time.