Lenovo ThinkCentre A55 8705 Hardware Replacement Manual page 21

7. Use the thermal grease syringe to place five drops of grease on the top of the
microprocessor. Each drop of grease should be 0.03ml (3 tick marks on the
grease syringe).
8. Depending on which heat sink you are installing, do one of the following:
Chapter 2. Replacing hardware
13