Dell PowerEdge R905 - Manual (Page 69)

Installing System Components
69
Cooling Fans
This system contains four hot-plug cooling fans, connected directly to the
system board.
NOTICE:
In the event of a problem with a particular fan, the fan’s number is
referenced by the system’s management software, allowing you to easily identify
and replace the proper fan.
Removing a Cooling Fan
CAUTION:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
NOTE:
The procedure for removing each individual fan module is the same.
1 Open the system. See "Opening the System" on page 67.
2 Compress the two latches on the top of the fan, then remove the fan. See
Figure 3-4.