Lenovo YOGA 520-14IKB Hardware Maintenance Manual page 51

Figure 10. Removal steps of system board (continued)
Remove the screws
5
Step Screw (quantity)
M1.98 x 3.0 mm, Phillips-head, nylok-coated (3)
5
MB TO UPPER
Remove the system board
.
.
6
Lenovo YOGA 520-14IKB
Color Torque
Black 1.0-1.5 kgf*cm
47