User's Manual
Table36.Removalstepsofsystemboardandmagnesiumstructureframe
4
1
1
2
2
3
StepScrew(quantity)Color
Torque
1
Hexstud,nylon-coated(2)Silver
0.392Nm
(4.0kgfcm)
2
M2×7mm,wafer-head,nylon-coated(2)Silver
0.181Nm
(1.85kgfcm)
3
M2×3mm,wafer-head,nylon-coated(1)Silver
0.181Nm
(1.85kgfcm)
WheninstallingWhenyoureplacethesystemboard,attachthermalrubbersasshowninthisgure.Dependingon
themodelsyouareservicing,thenumberofthermalrubbersaredifferent.Checkthethermalrubbersontheold
systemboard,andndduplicatesoftheminthenewFRUpackageandapplythemtothenewsystemboard.
b
c
d
a
96ThinkPadT520,T520i,andW520HardwareMaintenanceManual