Replacing Fans 3 And 4 - IBM xSeries 445 Type 8870 Option Installation Manual

2. Pull out on the quick release latches on each side of the server; then, pull the
3. Remove the fan from the server:
Figure 49. Fans
4. Orient the new fan so that the arrow on the top of the fan is pointing toward the
5. Push the replacement fan assembly into the server until it clicks into place.
6. If you have other options to install or remove, do so now.
7. Close the server cover. See "Closing the cover" on page 57.
8. Slide the server into the rack enclosure until it stops; then, secure the server in

Replacing fans 3 and 4

As shown in the illustration, fan 3 and fan 4 are located in front of the I/O board and
the PCI-X slots. These fans are redundant, meaning that if one fails, the remaining
fan will temporarily speed up to properly cool the I/O components in the server. In
the event of a failure, you must replace the malfunctioning fan within 48 hours.
Complete the following steps to replace fans 3 and 4:
1. Read the safety information beginning on page v and "Installation guidelines" on
server out of its rack enclosure until it stops.
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 4
Fan 3
b. Lift the fan out of the server.
front of the server.
the rack enclosure using the quick release latches.
page 9.
Latch release
Fan 1
Fan 2
Chapter 2. Installing options
53