Lenovo System x3650 M5 Installation And Service Manual page 301

Heat sink retention module
Figure 252. Heat-sink retention module removal
7. If you are instructed to return the heat-sink retention module, follow all the
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Replacing the heat-sink retention module
Use this information to replace the heat-sink retention module.
About this task
To install a heat-sink retention module, complete the following steps:
Procedure
1. Read the safety information that begins on "Safety" on page v and
"Installation guidelines" on page 294.
2. Turn off the server and peripheral devices and disconnect the power cords
and all external cables.
3. Remove the top cover (see "Removing the top cover" on page 147).
4. Remove the air baffle (see "Removing the air baffle" on page 149).
5. Align the retention module with the holes on the system board.
6. Use a screwdriver to reinstall the four screws.
Chapter 5. Removing and replacing components
287