Lenovo 2904G2U User Manual - Page 133
When installing, For ThinkPad T400s, For ThinkPad T410s and T410si
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Table 25. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot frame (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 rubber b . For ThinkPad T400s: a b For ThinkPad T410s and T410si: a v Make sure that the fan connector is attached firmly. Removing and replacing a FRU 125
![](/manual_guide/products/lenovo-2901a3u-user-manual-2b5e6ec/133.png)
Table 25. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot
frame (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
±a²
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 rubber
±b²
.
For ThinkPad T400s:
a
b
For ThinkPad T410s and T410si:
a
v
Make sure that the fan connector is attached firmly.
Removing and replacing a FRU
125