Lenovo 28155YU Laptop User Manual


 
Table 26. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot
frame (continued)
Note: The steps from 5 to 7 indicate the removal steps of fan assembly, and
those from 8 to 11 indicate the ones of 34-mm ExpressCard slot frame.
5
5
5
Step Screw (quantity) Color Torque
5 M2 × 3.5 mm, big-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.
7
6
120 ThinkPad T400s Hardware Maintenance Manual