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1130 cpu – Lenovo B470e Notebook User Manual

Page 65

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Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or
deformation and imperfect contact with components.

a

b

When installing: Before you attach the 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 above illustration. Either too much or too less

application of grease can cause a thermal problem due to imperfect contact with a component.

1130 CPU

For access, remove these FRUs in order:

“1010 Battery pack” on page 44

“1020 Dummy card” on page 44

“1030 Bottom slot cover” on page 45

“1040 Hard disk drive” on page 45

“1050 Optical drive” on page 46

“1060 Memory modules” on page 47

“1070 PCI Express Mini Card for wireless LAN/WAN” on page 48

“1080 Keyboard” on page 49

“1090 Keyboard bezel” on page 51

“1100 System board assembly” on page 53

“1120 Fan assembly and heat sink assembly” on page 57

Attention: The CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling.

Chapter 7

.

Removing and replacing a FRU

59