Dell PowerEdge R840 EMC Installation and Service Manual - Page 56

Cooling fans, Removing a cooling fan

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Figure 28. Installing the cooling fan assembly Next steps 1. Follow the procedure listed in After working inside your system on page 45. Cooling fans The cooling fans are integrated into the system to dissipate the heat generated by the functioning of the system. These fans provide cooling for the processors, expansion cards, and memory modules. NOTE: Each fan is listed in the systems management software, referenced by the respective fan number. If there is a problem with a particular fan, you can easily identify and replace the proper fan by noting the fan numbers on the cooling fan assembly. Removing a cooling fan Prerequisites NOTE: Opening or removing the system cover when the system is on may expose you to a risk of electric shock. Exercise utmost care while removing or installing cooling fans. CAUTION: The cooling fans are hot swappable. To maintain proper cooling while the system is on, replace only one fan at a time. 1. Follow the safety guidelines listed in Safety instructions on page 44. 2. Follow the procedure listed in Before working inside your system on page 45. 3. Remove the non-GPU air shroud or GPU air shroud. Steps Press the release tab and lift the cooling fan out of the cooling fan assembly. 56 Installing and removing system components

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Figure 28. Installing the cooling fan assembly
Next steps
1.
Follow the procedure listed in
After working inside your system
on page 45.
Cooling fans
The cooling fans are integrated into the system to dissipate the heat generated by the functioning of the system. These fans provide
cooling for the processors, expansion cards, and memory modules.
NOTE:
Each fan is listed in the systems management software, referenced by the respective fan number. If there is a
problem with a particular fan, you can easily identify and replace the proper fan by noting the fan numbers on the
cooling fan assembly.
Removing a cooling fan
Prerequisites
NOTE:
Opening or removing the system cover when the system is on may expose you to a risk of electric shock.
Exercise utmost care while removing or installing cooling fans.
CAUTION:
The cooling fans are hot swappable. To maintain proper cooling while the system is on, replace only one fan
at a time.
1.
Follow the safety guidelines listed in
Safety instructions
on page 44.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
3.
Remove the non-GPU air shroud
or
GPU air shroud
.
Steps
Press the release tab and lift the cooling fan out of the cooling fan assembly.
56
Installing and removing system components