Lenovo ThinkStation P520 User Manual page 116

d. If necessary, remove the film that protects the thermal pad on the heat sink. Insert the two hooks on
the heat sink into the corresponding holes as shown
Ensure that the mounting stud on the heat sink is aligned with the hole in the system board.
Figure 82. Installing the heat sink onto the system board
e. Press the mounting stud downward and turn the mounting stud 90-degree clockwise to secure the
heat sink to the system board.
Figure 83. Securing the heat sink to the system board
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 134.
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. Then, press the heat sink downward
2
.