Lenovo 7449F9U User Manual - Page 155
Protection plate LCD model, Screw quantity, Color, Torque
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Table 31. Removal steps of Micro-Processor card (continued) 2 3 2 2 Protection plate LCD model Step Screw (quantity) Color 2 M2 × 3.5 mm, wafer-head, nylon-coated (3) Silver 3 M2 × 3 mm, height 4.2 mm, stud, nylon-coated (1) Black Touch panel LCD model or direct-bonding glass LCD model Step Screw (quantity) Color 2 M2 × 3.5 mm, wafer-head, nylon-coated (3) Silver 3 M2 × 3 mm, height 5.5 mm, stud, nylon-coated (1) Black Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) Removing and replacing a FRU 147
Table 31. Removal steps of Micro-Processor card (continued)
2
3
2
2
Protection plate LCD model
Step
Screw (quantity)
Color
Torque
±2²
M2
×
3.5 mm, wafer-head, nylon-coated (3)
Silver
0.181 Nm
(1.85 kgfcm)
±3²
M2
×
3 mm, height 4.2 mm, stud,
nylon-coated (1)
Black
0.181 Nm
(1.85 kgfcm)
Touch panel LCD model or direct-bonding glass LCD model
Step
Screw (quantity)
Color
Torque
±2²
M2
×
3.5 mm, wafer-head, nylon-coated (3)
Silver
0.181 Nm
(1.85 kgfcm)
±3²
M2
×
3 mm, height 5.5 mm, stud,
nylon-coated (1)
Black
0.181 Nm
(1.85 kgfcm)
Removing and replacing a FRU
147