H3C UniServer R6900 G3, User Manual

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7-11
Replacing air baffles
WARNING!
To avoid bodily injury from hot surfaces, allow the server and its internal modules to cool before
touching them.
Replacing air baffles in a compute module
1.
Power off the server. For more information, see " Powering off the server ."
2.
Remove the security bezel, if any. For more information, see " Replacing the security bezel ."
3.
Remove the compute module. For more information, see " Removing a compute module ."
4.
Remove the compute module access panel. For more information, see " Replacing a compute
module access panel ."
5.
If you are to remove the low mid air baffle, remove the riser card. If you are to remove a left or
right air baffle, remove the supercapacitor and the supercapacitor holder attached to the air
baffle.
For information about removing a riser card, see "
Replacing a riser card and a PCIe module ."
For information about removing a supercapacitor, see " Replacing the power fail safeguard
module for a storage controller ."
6.
Remove air baffles in a compute module. Hold and lift the air baffle out of the compute module,
as shown in
Figure 7-14 .
The removal procedure is the same for the high mid air baffle, low mid air baffle, and bilateral air
baffles. The following figure uses the high mid air baffle for illustration.
Figure 7-14 Removing the high mid air baffle in a compute module
7.
Install new air baffles:
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To install the high mid air baffle, place the air baffle in the compute module. Make sure the
two pin holes on the air baffle align with the guide pins on the main board and the cable
clamp, as shown in
Figure 7-15 .