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• “1070 Fan assembly” on page 66
• “1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 71
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• “1170 Keyboard” on page 83
Table 26. Removal steps of keyboard bezel
Note: Steps 2a and 3a are only for ThinkPad L520 models. For ThinkPad L420 and L421 models, skip steps
2a and 3a .
3
3
1
2
2
2
3
3
1
2a
2a
2a
Step Screw (quantity) Color
Torque
1
M2.5 × 6.5 mm, at-head, nylon-coated (2)
Black 0.392 Nm
(4 kgfcm)
2
M2 × 3 mm, at-head, nylon-coated (3)
Black 0.181 Nm
(1.85 kgfcm)
2a
M2 × 3 mm, at-head, nylon-coated (2)
Black 0.181 Nm
(1.85 kgfcm)
3
M2 × 5 mm, at-head, nylon-coated (3)
Black 0.181 Nm
(1.85 kgfcm)
3a
M2 × 5 mm, at-head, nylon-coated (1)
Black 0.181 Nm
(1.85 kgfcm)
86 Hardware Maintenance Manual