Lenovo E49 Lenovo E49 Hardware Maintenance Manual - Page 59

Microprocessor, When installing, For models with a discrete thermal fan assembly, Attention

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When installing: Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a and b as shown in the following illustration. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For models with a discrete thermal fan assembly a b For models with an integrated thermal fan assembly a 1080 Microprocessor For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1030 Bottom slot cover" on page 46 • "1070 Thermal fan assembly" on page 51 Attention: The microprocessor is extremely sensitive. When you service the microprocessor, avoid any kind of rough handling. Chapter 7. Removing and replacing a FRU 53

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When installing:
Before you attach the thermal fan assembly to the computer, apply thermal grease, at an
amount of 0.2 grams, on the part marked
a
and
b
as shown in the following illustration. Either too much or
too less application of grease can cause a thermal problem due to imperfect contact with a component.
For models with a discrete thermal fan assembly
a
b
For models with an integrated thermal fan assembly
a
1080 Microprocessor
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1030 Bottom slot cover” on page 46
•
“1070 Thermal fan assembly” on page 51
Attention:
The microprocessor is extremely sensitive. When you service the microprocessor, avoid any
kind of rough handling.
Chapter 7
.
Removing and replacing a FRU
53