IBM System x3550 M3, Installation And User Manual

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3. If the server has been installed in a rack, slide the server out from the rack
enclosure.
4. Press down firmly on the blue tab on the top of the cover (on the right side near
the front of the server) and slide the cover toward the rear of the server until the
cover has disengaged from the chassis.
Tab
Cover
5. Lift the server cover off the server and set it aside.
Attention: For proper cooling and airflow, replace the server cover before you
turn on the server.
Removing the microprocessor 2 air baffle
To remove the microprocessor 2 air baffle, complete the following steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 44.
2. Turn off the server and peripheral devices and disconnect the power cords and
all external cables, if necessary; then, remove the cover (see “Removing the
cover” on page 52).
3. Lift the air baffle up, making sure that the tab comes out of the hole on the side
of the power-supply cage; then, remove it from the server and set it aside.
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.
Chapter 2. Installing optional devices
53