IBM Flex System x440 Compute Node Installation And Service Manual page 553

a. Use a screwdriver to loosen the screw on one side of the heat sink to break
the seal with the microprocessor.
b. Use a screwdriver to loosen the screws on the heat sink, rotating each screw
two full turns until each screw is loose.
c. Gently pull the heat sink from the microprocessor.
Attention: Do not use any tools or sharp objects to lift the release levers on
the microprocessor socket. Doing so might result in permanent damage to the
system board.
4. Open the microprocessor socket release levers and retainer.
Microprocessor
retainer
Release
lever
a. Identify which release lever is labeled as the first release lever to open, and
open it.
b. Open the second release lever on the microprocessor socket.
c. Open the microprocessor retainer.
Attention: Do not touch the connectors on the microprocessor and the
microprocessor socket.
5. Remove the microprocessor from the socket.
Note: If you are replacing a microprocessor, use the empty installation tool that
comes with the CRU kit to remove the microprocessor.
a. Twist the handle on the microprocessor tool counterclockwise so that it is in
the open position.
Handle
b. Align the installation tool with the screws on the microprocessor socket, and
lower the tool on the microprocessor. The installation tool rests flush on the
socket only if it is aligned correctly.
Chapter 7. Installing, removing, and replacing compute node components
Release
lever
Installation tool
541