Replacing Fan 3 Or 4 - IBM eserver xSeries 450 Option Installation Manual

Complete the following steps to replace fan 1 or 2:
1. Read the safety information beginning on page v and "Installation guidelines" on
2. Remove the fan from the server:
3. Turn the new fan so that the LED on the top of the fan is to the right side of the
4. Push the replacement fan assembly into the server until it clicks into place.
5. If you have other options to install or remove, do so now.
6. Close the server cover. See "Closing the cover" on page 37.

Replacing fan 3 or 4

As shown in the illustration, these two fans (fan 3 and fan 4) are located in front of
the PCI-X slots. These fans are redundant, meaning that if one fails, the remaining
fan will temporarily speed up to properly cool server components.
Attention:
Complete the following steps to replace fan 3 or 4:
1. Read the safety information beginning on page v and "Installation guidelines" on
2. Remove the fan from the server:
page 11.
a. Place your fingers into the two finger holes on the top of the fan and
squeeze them together.
Note: The illustrations in this document might differ slightly from your
hardware.
Fan 3
b. Lift the fan out of the server.
server.
All fans must be replaced within 48 hours of failing.
page 11.
a. Press the latch release to the right and let the handle come up.
Fan 4
Latch release
Fan 1
Fan 2
Chapter 2. Installing options
33