Lenovo G475 Notebook - Manual (Page 45)

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Lenovo G470/G475/G570/G575
1070 Fan assembly and Heat Sink assembly
For access, remove these FRUs in order:
• “1010 Battery pack” on page 34
• “1040 Hard disk drive (HDD)/Memory/CPU (Central processing unit)/Mini
PCI ExpressCard slot compartment cover ” on page 37
Figure 7. Removal steps of fan assembly and heat sink assembly
Note: Remove three screws
1 and four spring screws 2 .
Unplug the connector in the direction shown by arrow
3
.
3
1
1
1
2
2
2
2
When installing: Make sure that the fan connector is attached firmly to the
system board.
Step Screw (quantity) Color Torque
1
M2.0 × 4 mm, flat-head, nylon-coated (3) Silver 2.0kgfcm
2
M2.0 × 3.2 mm, with spring, nylon-coated (4) Black 2.0kgfcm