IBM System x3650 M3 4255 Service Manual page 261

Handle
Installation tool
8. Carefully align the microprocessor installation tool over the microprocessor
socket.
Attention: The microprocessor fits only one way on the socket. You must
place a microprocessor straight down on the socket to avoid damaging the
pins on the socket. The pins on the socket are fragile. Any damage to the pins
may require replacing the system board.
Alignment pins
9. Twist the handle on the microprocessor tool counterclockwise to insert the
microprocessor into the socket.
Handle
Installation tool
10. Close the microprocessor bracket frame.
11. Carefully close the microprocessor release lever to the closed position to
secure the microprocessor in the socket.
12. Install a heat sink on the microprocessor.
Attention: Do not touch the thermal grease on the bottom of the heat sink or
set down the heat sink after you remove the plastic cover. Touching the
thermal grease will contaminate it.
The following illustration shows the bottom surface of the heat sink.
Installation tool
Microprocessor
Chapter 5. Removing and replacing server components
243