Lenovo ThinkPad L520 Hardware Maintenance Manual - Page 92
Make sure that the connectors are attached firmly to the system board
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Step 1 2 2a 3 3a Screw (quantity) M2.5 × 6.5 mm, flat-head, nylon-coated (2) M2 × 3 mm, flat-head, nylon-coated (3) M2 × 3 mm, flat-head, nylon-coated (2) M2 × 5 mm, flat-head, nylon-coated (3) M2 × 5 mm, flat-head, nylon-coated (1) Color Black Black Black Black Black Torque 0.392 Nm (4 kgfcm) 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 5 6 4 7 4 5 6 Step 4 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) Color Black Torque 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connectors are attached firmly to the system board. 86 Hardware Maintenance Manual
Step
Screw (quantity)
Color
Torque
1
M2.5 × 6.5 mm, flat-head, nylon-coated (2)
Black
0.392 Nm
(4 kgfcm)
2
M2 × 3 mm, flat-head, nylon-coated (3)
Black
0.181 Nm
(1.85 kgfcm)
2a
M2 × 3 mm, flat-head, nylon-coated (2)
Black
0.181 Nm
(1.85 kgfcm)
3
M2 × 5 mm, flat-head, nylon-coated (3)
Black
0.181 Nm
(1.85 kgfcm)
3a
M2 × 5 mm, flat-head, nylon-coated (1)
Black
0.181 Nm
(1.85 kgfcm)
4
4
7
5
6
5
6
Step
Screw (quantity)
Color
Torque
4
M2 × 3 mm, flat-head, nylon-coated (2)
Black
0.181 Nm
(1.85 kgfcm)
When installing:
Make sure that the connectors are attached firmly to the system board.
86
Hardware Maintenance Manual