Lenovo B50-50
45
1080 Fan and heat sink assembly
For access, remove these FRUs in order:
•
“1010 Keyboard” on page 33
•
“1020 Optical drive” on page 35
•
“1030 Base cover” on page 37
•
“1040 Battery pack” on page 39
•
“1050 Hard disk drive” on page 40
•
“1060 DIMM” on page 42
•
“1070 PCI Express Mini Card for wireless LAN/WAN” on page 43
Figure 8. Removal steps of fan and heat sink assembly
Disconnect the fan connector in the direction shown by arrow
. Remove the
screws
and four screws
. Then remove the fan and heat sink in the
direction shown by arrow
.
When installing:
Make sure that the fan connector is attached firmly.
Step Screw (quantity)
Color Torque
M2 x 5 mm, Phillips head, nylok-coated (2)
Black
1.85±0.15kgf.cm
M2 x 3 mm, Phillips head, nylok-coated (4)
Silver 1.85±0.15kgf.cm
a
b
c
d
3
3
4
3
2
2
3
1
7
d
b
7
d
c