Lenovo THINKSERVER 3821 - Manual (Page 199)

1 Fan-cage assembly release buttons
2 Fan-cage assembly
a. Press the fan-cage release latches on the top and bottom of the fan cage
toward the sides of the server. The cage lifts slightly when the release
latches are fully open.
b. Grasp the cage and lift it out of the server.
Chapter 7. Installing optional devices and replacing customer replaceable units 191