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1120 Fan and heat sink assembly
For access, remove these FRUs in order:
• "1010 Battery pack" on page 32
• "1020 Optical drive" on page 33
• "1030 Bottom slot cover" on page 35
• "1040 Hard disk drive" on page 36
• "1050 DIMM" on page 38
• "1060 PCI Express Mini Card for wireless LAN/WAN" on page 39
• "1070 Keyboard" on page 40
• "1080 Keyboard bezel" on page 42
• "1110 System board" on page 47
Figure 12. Removal steps of fan and heat sink assembly
Disconnect the fan connector in the direction by arrow
and six screws
by arrow
d
.
Step Screw (quantity)
7
b
d
M2 x 5 mm, flat-head, nylok-coated (1)
7
c
d
M2 x 3 mm, flat-head, nylok-coated (6)
When installing: Make sure that all the fan and DC-IN connectors are attached
firmly.
c
. Then remove the fan and heat sink in the direction as shown
3
3
3
Lenovo B41-80
a
. Remove the screw
3
3
4
2
1
Color Torque
Silver 1.5~2.0kgf.cm
Black
b
1.0~1.5kgf.cm
49
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