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M440LX Server System Product Guide
123
Replacing the Fan Below the Power Supply
See Figures 4-23 and 4-24. The arrow on the fan indicates the direction of
airflow. The fan pulls air through the hot-docking bays and exhausts it out
of the system.
1. Place the plastic housing—flexible tabs facing up—on a flat surface.
2. With the power cable side of the fan facing up, place it inside the plastic
housing. Route the cable through the slot in the side of the housing.
3. Press down on the fan until the inner flexible plastic tabs on the housing
snap into place on the fan. Make sure you do not pinch the cable
between the housing and the fan.
4. Place the assembly—fan-side down—on a flat surface. Attach the finger
guard to the fan with the screws you removed earlier.
5. Position the plastic housing and fan assembly inside the chassis below
the top power supply, and align the tabs with the slots in the back of the
chassis.
6. Insert the bottom flexible tab through the bottom slot in the back of the
chassis. Then press the top flexible tab through the top slot until it
snaps into place.
7. Connect the fan power cable connector to the fan header on the
hot-docking backplane.
8. Replace the top cover and both side covers (page 80).