Lenovo ZhaoYang K4350A Hardware Maintenance Manual page 65

Removal steps of the system board assembly
Detach the connectors.
When installing: Ensure that all the connectors are attached firmly.
7
Remove the screws .
Step Screw (quantity)
7
M2 × 3 mm, flat-head, nylon-coated (3)
2
1
Color
Black
Chapter 8
Torque
0.181 Nm
(1.85 kgf-cm)
.
Removing or replacing a FRU
59