Dell 810 Owner's Manual page 109

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 84.
2 Press the release tab and lift the fan out of the cooling fan assembly. See
Figure 3-12.
Figure 3-12. Removing and Installing a Cooling Fan
1 fan assembly
3 fan module
1
2 release tab
Installing System Components
2 2
3
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