Lenovo 2904G2U User Manual - Page 131
mm, bind-head, nylon-coated 2
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Table 25. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot frame (continued) 2 1 2a 1 1 Note: Step 2a is only for ThinkPad T410s and T410si. Step 1 Screw (quantity) M2 × 3.5 mm, big-head, nylon-coated (3) Color Black 2 M2 × 6 mm, bind-head, nylon-coated (1) Black 2a M2 × 6 mm, bind-head, nylon-coated (2) Black Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) In step 4 , remove the system board and fan assembly together from the base cover assembly. 4 3 Removing and replacing a FRU 123
Table 25. Removal steps of system board, fan assembly, and 34-mm ExpressCard slot
frame (continued)
1
1
1
2
2a
Note:
Step
±2a²
is only for ThinkPad T410s and T410si.
Step
Screw (quantity)
Color
Torque
±1²
M2
×
3.5 mm, big-head, nylon-coated (3)
Black
0.181 Nm
(1.85 kgfcm)
±2²
M2
×
6 mm, bind-head, nylon-coated (1)
Black
0.181 Nm
(1.85 kgfcm)
±2a²
M2
×
6 mm, bind-head, nylon-coated (2)
Black
0.181 Nm
(1.85 kgfcm)
In step
±4²
, remove the system board and fan assembly together from the base
cover assembly.
3
4
Removing and replacing a FRU
123