Removing and replacing Tier 1 CRUs
This information provides instructions for removing and replacing tier 1 CRUs.
Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at
your request, you will be charged for the installation.
The illustrations in this document might differ slightly from your hardware.
Removing the microprocessor air baffle
This information provides instructions on how to remove the microprocessor air
baffle.
About this task
To remove the microprocessor air baffle, complete the following steps:
Procedure
1. Read the safety information and installation guidelines, see “Safety” on page vii
and “Installation guidelines” on page 35.
2. Turn off the server (see “Turning off the server” on page 22) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables as necessary to replace the device.
3. Remove the server cover (see “Removing the server top cover” on page 226).
4. Grasp the baffle by the grip points and lift it all the way up out of the slots on
the chassis wall and set it aside.
Microprocessor
air baffle
Attention: For proper cooling and airflow, replace the air baffle before you
turn on the server. Operating the server with the air baffle removed might
damage server components.
230 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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