Lenovo ThinkPad T520 Hardware Maintenance Manual page 104

Table 35. Location of major sensitive components on the system board (continued)
For Workstation models:
Table 36. Removal steps of system board and magnesium structure frame
Step Screw (quantity)
1
Hex stud, nylon-coated (2)
2
M2 × 7 mm, wafer-head, nylon-coated (2)
3
M2 × 3 mm, wafer-head, nylon-coated (1)
96
ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
a
d
c b
Color
Silver
Silver
Silver
Torque
0.392 Nm
(4.0 kgfcm)
0.181 Nm
(1.85 kgfcm)
0.181 Nm
(1.85 kgfcm)