Acer AR360 F1 - Manual (Page 66)

3 System upgrades 50
(4) Engage the load lever back into place.
9 Apply the thermal interface material.
(1) Use an alcohol pad to wipe off the old thermal grease
from both the heat sink and the processor socket
retention plate.
(2) Apply a thin layer of an approved thermal interface
material before installing the heat sink.
Make sure that only a very thin layer is applied so that
both contact surfaces are still visible.
10 Install the heatsink (see “Installing a heatsink” on page page 46).
11 Observe the post-installation instructions described on page page
28.
12 Repeat the steps above to replace the second processor.