Lenovo ThinkPad L520 Hardware Maintenance Manual - Page 75
Table 8. Removal steps of fan assembly continued, When installing
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Table 8. Removal steps of fan assembly (continued) 3 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 a as in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For the new CPU thermal device, you need to peel the thin film off from the rubbers marked b . For models with a discrete fan assembly: a b For models with an integrated fan assembly: Chapter 8. Removing and replacing a FRU 69
Table 8. Removal steps of fan assembly (continued)
3
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
a
as in the following figures. Either too much or too less application of grease can
cause a thermal problem due to imperfect contact with a component. For the new CPU thermal device, you need
to peel the thin film off from the rubbers marked
b
.
For models with a discrete fan assembly:
b
a
For models with an integrated fan assembly:
Chapter 8
.
Removing and replacing a FRU
69