HP ProLiant DL20 Gen10 Plus Maintenance And Service Manual page 154

4. Using a cleaning solvent, such as alcohol wipes, remove the existing thermal grease from the processor.
Allow the alcohol to evaporate before continuing.
5. Apply new thermal grease to the processor in the pattern shown in the following image to ensure even distribution. Use the full
contents of the thermal grease syringe.
6. Install the heatsink:
CAUTION: CAUTION:
Do not overtighten the captive screws on the heatsink. Use a T-15 Torx screwdriver that is preset to 3 in-lb of
torque or an adjustable torque screwdriver set to 3 in-lb of torque.
a. Position the heatsink on the processor backplate (callout 1).
b. Tighten one pair of diagonally opposite screws halfway, then tighten the other pair of screws (callouts 2 and 3).
c. Finish the installation by completely tightening the screws in the same sequence.
Installing the processor 154