Dell EMC XC Core XC450 Installation And Service Manual page 52

Figure 47. Press the carrier on the four sides
4. If you are using an existing heat sink, remove the thermal grease on the heat sink by using a clean lint-free cloth.
5. Use the thermal grease syringe included with your processor kit to apply the grease in a thin spiral on the bottom of the heat
sink.
Figure 48. Applying thermal grease
CAUTION: Applying too much thermal grease can result in excess grease coming in contact with and
contaminating the processor socket.
NOTE: The thermal grease syringe is intended for single use only. Dispose of the syringe after you use it.
6. For new heat sink. remove the Thermal Interface Material (TIM) protective film from the base of heat sink.
52 Installing and removing system components