Lenovo G555 Lenovo G555 Hardware Maintenance Manual V2.0 - Page 45

Fan assembly and Heat Sink assembly - system board

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Lenovo G555 1070 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment cover" on page 38 Figure 7. Removal steps of fan assembly and heat sink assembly Note: Remove three screws 1, one screw 2 and four spring screws 3. Unplug the connector in the direction shown by arrow 4. 2 3 3 1 1 3 31 4 When installing: Make sure that the fan connector is attached firmly to the system board. Step 1 2 3 Screw (quantity) Color M2.0 × 4 mm, flat-head, nylon-coated (3) Black M2.0 × 3 mm, flat-head, nylon-coated (1) Black M2.0 × 3.2 mm, with spring, nylon-coated (4) Silver Torque 1.5~2.0 kgf·cm 1.0~1.5 kgf·cm 2.0~2.5 kgf·cm 41

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41
Lenovo G555
1070 Fan assembly and Heat Sink assembly
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 34
•
“1040 Memory/Wireless module/CPU (central processing unit) compartment
cover
” on page 38
Figure 7. Removal steps of fan assembly and heat sink assembly
Note:
Remove three screws
1
, one screw
2
and four spring screws
3
.
Unplug the connector in the direction shown by arrow
4
.
4
3
3
3
3
1
1
1
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)
Black
1.5~2.0 kgf·cm
2
M2.0 × 3 mm, flat-head, nylon-coated (1)
Black
1.0~1.5 kgf·cm
3
M2.0 × 3.2 mm, with spring, nylon-coated (4)
Silver
2.0~2.5 kgf·cm