Lenovo ThinkPad T540p Maintenance Manual page 107

Step Screw (quantity)
2
M2.5 × 3.5 mm, flat-head, nylon-coated (6)
Step Screw (quantity)
4
M2 × 3 mm, flat-head, nylon-coated (4)
Color Torque
Black 0.392 Nm
(4.0 kgf-cm)
Torque
Color
Silver 0.181 Nm
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
101