Lenovo ThinkPad X220 Hardware Maintenance Manual page 85

Step Screw (quantity)
2
M2 × 3mm, wafer-head, nylon-coated (1)
When installing:
Route the speaker cables along the cable guides as shown in the following figure.
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
.
Chapter 8 Removing and replacing a FRU
79