Lenovo ThinkPad T520 Hardware Maintenance Manual page 97

When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of
0.2 grams, on the parts marked
grease can cause a thermal problem due to imperfect contact with a component. For the new CPU thermal
device/fan, you need to peel the thin film off from the rubbers marked
For Switchable Graphics models:
For Integrated Graphics models:
6
a as in the following figures. Either too much or too less application of
a b
b .
b
a
b
.
Chapter 9 Removing and replacing a FRU
91