Lenovo B470e Notebook - Manual (Page 65)

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