Lenovo THINKSERVER 3821 - Manual (Page 179)

Removing the fan-cage assembly
1 Fan cage assembly
2 Fan cage assembly release buttons
To remove the fan-cage assembly, do the following:
1. Read the safety information that begins on page 5.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables.
3. Turn the server on its side so that it is lying flat, with the side cover facing up.
4. Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 157).
5. Remove the hot-swap power supply or power supplies from the power-supply
cage (see “Removing a hot-swap power supply” on page 174).
6. Rotate the power-supply cage to its open position (see “Opening the
power-supply cage” on page 158).
7. If any full-length PCI adapters are installed, remove them (see “Removing an
adapter” on page 184).
8. Remove the air baffle (see “Removing the air baffle” on page 169).
9. Press the fan cage release latches on each side of the fan cage toward the
sides of the server. The fan cage will lift up slightly when the release latches
are fully open.
10. Grasp the fan-cage assembly and lift it out of the server.
11. If you are instructed to return the fan-cage assembly, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Chapter 7. Installing optional devices and replacing customer replaceable units 171