Lenovo B41-35/B41-30
Hardware Maintenance Manual
50
1120 Fan and heat sink assembly
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 33
•
“1020 Optical drive” on page 34
•
“1030 Bottom slot cover” on page 36
•
“1040 Hard disk drive” on page 37
•
•
“1060 PCI Express Mini Card for wireless LAN/WAN” on page 40
•
•
“1080 Keyboard bezel” on page 43
•
“1110 System board” on page 48
Figure 12. Removal steps of fan and heat sink assembly
Disconnect the fan connector in the direction by arrow
. Remove the screw
and six screws
. Then remove the fan and heat sink in the direction as shown
by arrow
.
When installing:
Make sure that all the fan and DC-IN connectors are attached
firmly.
Step
Screw (quantity)
Color Torque
M2 x 5 mm, flat-head, nylok-coated (1)
Silver 1.5~2.0kgf.cm
M2 x 3 mm, flat-head, nylok-coated (6)
Black
1.0~1.5kgf.cm
a
b
c
d
3
3
3
3
2
1
4
3
7
d
b
7
d
c