Dell EMC PowerEdge R940 Installation And Service Manual page 79

Figure 64. Applying thermal grease on top of the processor
5. Place the heat sink on the processor and push down on the base of the heat sink until the bracket locks onto the heat sink.
NOTE:
● Ensure that the two guide pin holes on the bracket match the guide holes on the heat sink.
● Do not press on the heat sink fins.
● Ensure that the pin 1 indicator on the heat sink is aligned with the pin 1 indicator on the bracket before placing the
heat sink onto the processor and bracket.
Installing and removing system components 79