Removing The Microprocessor Air Baffle - IBM System x3690 X5 Installation And User Manual

5. Lift the DIMM air baffle 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.
If you have other devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 112.

Removing the microprocessor air baffle

To remove the microprocessor air baffle, complete the following steps:
1. Read the safety information that begins on page "Safety" on page v and
"Installation guidelines" on page 44.
2. Turn off the server (see "Turning off the server" on page 24) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables from the server.
3. Remove the top cover (see "Removing the server top cover" on page 46).
4. If a riser-card assembly is installed in PCI riser slot 1, disconnect the cables that
are connected to the adapters. Grasp the riser-card assembly and lift it out of
the PCI riser-card slot on the system board.
5. Grasp the tabs on both sides of the baffle and pull the tabs away from the holes
on the power supply cage and chassis wall to release it; then, slide both ends of
the baffle all the way up out of the slots and set the baffle aside.
RAID
battery
trays
DIMM
air baffle
Chapter 2. Installing optional devices
49