HP xw8400 Service And Technical Reference Manual page 83

4. Remove the fan from the card guide by applying outward pressure on the card guide while lifting
the fan away.
Figure 4-24
To install the front fan:
1. Place the fan in the card guide with the fan label facing into the card guide, and the fan protector
screen facing outward.
NOTE
2. Place the fan wire through the slot in the card guide.
3. Snap the fan into place in the card guide.
Figure 4-25
4. Lower the card guide with installed fan into the chassis. Place the card guide tabs into the chassis
slots and snap the card guide into place.
5. Plug the fan wire into its connector on the system board.
ENWW
Removing the fan from the card guide
Ensure that the fan blows toward the rear of the chassis.
Installing the fan in the card guide
Removing and replacing components 75