Lenovo ThinkPad R400 7439 Hardware Maintenance Manual page 101

Table 25. Removal steps of 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. In some modes, you need to peel
the thin film off from the rubber b .
- For T400 integrated graphics models:
7
6
a
a
ThinkPad T400 and R400 (14.1-inch widescreen)
93