Lenovo B590 Hardware Maintenance Manual page 63

Removal steps of keyboard bezel
1
Remove the screws and
Step Screw (quantity)
1
M2.5 × 8 mm, flat-head, nylon-coated (10)
2
M2 × 3 mm, flat-head, nylon-coated (3)
Remove the screws 3 .
Step Screw (quantity)
3
M2 × 5 mm, flat-head, nylon-coated (3)
2
that secure the keyboard bezel.
Torque
Color
Black 4.0 kgfcm
Black 1.85 kgf-cm
Torque
Color
Black 1.85 kgf-cm
.
Chapter 7 Removing and replacing a FRU
57