Lenovo ThinkPad Edge E520 Hardware Maintenance Manual page 78

Removal steps of top case assembly
Note: Your models may look slightly different from the illustration above.
Step Screw (quantity)
1
M2 × 6 mm, wafer-head, nylon-coated (10)
Note: Your models may look slightly different from the illustration above.
Step Screw (quantity)
2
M2 × 3 mm, wafer-head, nylon-coated (4)
72
Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
Color Torque
Black 0.181 Nm
(1.85 kgfcm)