Lenovo 019626U Hardware Maintenance Manual page 105

Table 20. Removal steps of system board and fan assembly (continued)
When installing:
v Before you attach the fan assembly to the computer, apply thermal grease, at
an amount of 0.2 grams, on the part marked a as in the following figure.
Either too much or too less application of grease can cause a thermal problem
due to imperfect contact with a component. You need to peel the thin film off
from the rubbers b .
For MT0196 and MT0492:
b
For MT0197:
v Make sure that the fan connector is attached firmly.
a
b
a
a
Removing and replacing a FRU
97