Lenovo 7D7Q, Maintenance Manual

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Notes:
1. Gently remove the four screws to avoid any possible damage to the system board.
2. Always keep the four screws attached to the heat sink.
3. Do not touch the thermal grease while handling the heat sink.
Step 3. Loosen screw 3 and 4:
a. Partially loosen screw 3.
b. Fully loosen screw 4.
c. Fully loosen screw 3.
Figure 75. Heat sink removal
Step 4. Lift evenly and remove the heat sink from the server.
After you finish
If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
Install the heat sink
Use this information to install the heat sink. This procedure must be executed by a trained technician.
About this task
Attention:
• Read the following section(s) to ensure that you work safely.
– “Safety” on page iii
– “Installation Guidelines” on page 51
• Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
Chapter 4
.
Hardware replacement procedures
87