Lenovo ideapad FLEX 4 Hardware Maintenance page 50

ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad
FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual
Figure 7. Removal steps of fan assembly and Heat Sink assembly (continued)
Unplug the fan connector in the direction shown by arrow 2. Remove the
screws 3.
When installing: Make sure that the connector is attached firmly.
Remove the fan in the direction shown by arrow 4. Be careful not to damage
the connector.
46
Step Screw (quantity)
M2 × 3.5 mm, Phillips head, nylok-coated (2)
3
fan---mb---log up & fan---log up
c
c
b
d
Color Torque
Silver 1.85+/-0.15kgf-cm