IBM xSeries 225 8647 Installation Manual page 53

12. Install the heat sink on the microprocessor.
Thermal grease
Heat sink
a. Remove the plastic cover from the bottom of the heat sink.
b. Align and place the heat sink on top of the microprocessor, grease side
down, in the retention bracket. Press firmly on the heat sink.
Attention: Alternate the tightening of the two captive screws to prevent
damage to the microprocessor. Ensure that the screws are completely
tightened (until they stop); otherwise, damage to the microprocessor will
occur.
c. Secure the heat sink to the microprocessor by tightening the captive
screws. Alternate between the two captive screws in the heat sink while
tightening them.
13. Install the air baffle.
14. Install the adapter airflow guide:
a. Rotate the front and rear adapter-retention brackets to the open (unlocked)
position.
b. Slide the adapter airflow guide into the guides on the air baffle and front
adapter-support bracket; then, push it into place, using care to not damage
any cables.
c. Rotate the front and rear adapter-retention brackets to the closed (locked)
position.
15. If you have other options to install or remove, do so now.
16. Replace the support bracket (see "Removing and installing the support
bracket" on page 12).
17. Replace the side cover (see "Replacing the bezel" on page 39).
18. Reconnect the external cables and power cords. Turn on the attached devices,
and turn on the server.
Chapter 2. Installing options
33