Lenovo System x3500 M5 Type 5464 Installation And Service Manual page 302

Heat sink
release lever
Heat sink
Figure 214. Rotate the heat sink release lever to the open position
Step 5. Remove the heat sink out of the server. After removal, place the heat sink (with the thermal grease
side up) on a clean, flat surface.
Heat sink
release lever
Figure 215. Remove the heat sink out of the server
If you are instructed to return the server component or optional device, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Installing a heat sink
Use this information to install a heat sink retention module.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 29.
If you are replacing a server component in the server, you need to turn off the server and peripheral devices,
and disconnect the power cords and all external cables.
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System x3500 M5 Installation and Service Guide
Heat sink
Lock tab