Lenovo Y470/Y570 Hardware Maintenance Manual
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1120 Fan assembly and Heat Sink assembly
For access, remove these FRUs in order:
• “1010 Battery pack” on page 34
• “1020 Dummy card” on page 35
• “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover” on page 36
• “1040 Hard disk drive” on page 37
• “1050 Optical drive” on page 39
• “1060 DIMM” on page 40
• “1070 PCI Express Mini Card for wireless LAN/WAN and TV Card” on
page 41
• “1080 Keyboard” on page 44
• “1090 Keyboard bezel” on page 49
• “1100 System board” on page 53
Figure 12. Removal steps of fan assembly and heat sink assembly
Y470: Detach the fan connector in the direction shown by arrow and loosen
six screws to lift the fan assembly.
When installing: Make sure that the fan connector is attached firmly to the
system board.
Step Screw (quantity) Color Torque
M2.0 × 3.2 mm, flat-head, nylok-coated (6) Black 1.0 ~ 1.5 kgfcm
a
b
1
2
2
2
2
2
2
b