Dell PowerEdge C5220 - Manual (Page 81)

Installing System Components 81
Installing a Heat Sink/Shroud
1 Use a lint-free cloth, remove thermal grease from the heat sink.
2 Apply new thermal grease evenly to the center of the top new processor.
3 Position heat sink/shroud assembly at a slight tilt to insure shroud is
inserted below the sled flange (see final installed view), then lower the
assembly onto the four supporting posts on the motherboard .
4 Align the four screws of the heatsink to the four threaded posts and tighten
the four screws .
Figure 3-7. Installing a heat sink/shroud
Final installed view shown in the following illustration.
CAUTION: Using excess thermal grease can cause grease to contact the
processor shield, which can cause contamination of the processor socket.