Lenovo X301 - Manual (Page 127)

Table 26. Removal steps of system board, fan assembly, and base cover
assembly (continued)
4
4
4
Step Screw (quantity) Color Torque
4 M2 × 4 mm, bind-head, nylon-coated (3) Black 0.167 Nm
(1.7 kgfcm)
Turn the system board over, and then disconnect the fan assembly from the
system board.
5
6
When installing: Make sure that the fan connector is attached to the system
board firmly.
Removing and replacing a FRU 119