Lenovo ThinkPad T420i Hardware Maintenance Manual page 105

Step Screw (quantity)
6
M2.5 × 6 mm, wafer-head, nylon-coated (2)
When installing:
• Make sure that you attach the connectors firmly.
• Make sure that you route the cables correctly and you tape up in the proper positions as shown in
the above figure.
• When you route the cables, make sure that they are not subjected to any tension. Tension could cause
the cables to be damaged by the cable guides, or a wire to be broken.
Color Torque
Black 0.392 Nm
(4.0 kgfcm)
.
Chapter 8 Removing and replacing a FRU
99