Lenovo ThinkPad X220 4287 Hardware Maintenance Manual page 81

Table 16. Removal steps of PCI Express Mini Card for wireless WAN
1
In step , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors
with your fingers and gently unplug them in the direction of the arrow.
Step Screw (quantity)
2
M2 × 3 mm, wafer-head, nylon-coated (1)
When installing:
Plug the red cable into the jack labeled MAIN on the card, and the blue cable into the jack labeled AUX.
Torque
Color
Black 0.181 Nm
(1.85 kgfcm)
.
Chapter 8 Removing and replacing a FRU
75