X340(MS-1352)Disassemble Guide 
 9、LOWER CASE ASSY-2 
 
 
 
 
9.7:Firstly remove the Mylar pasted on heatsink, 
then remove the 3 screws(M2*3.5mm), after that 
remove the heatsink 
Attention:the screw driver torque is 1.5-2.0Kgf-cm
 
Component P/N Qty 
Screw E43-1203501-H29 3 
Heatsink E31-0801210-TA9 1 
 
 
 
 
9.8:Remove 2 screws (M2*3.5mm) 
Attention: the screw driver torque is 1.5-2.0Kgf-cm 
 
 
 
Component P/N Qty 
Screw E43-1203501-H29 2 
 
 
 
 
9.9:Remove 2 screws (M2*3.5mm) 
Attention: the screw driver torque is 1.5-2.0Kgf-cm 
 
 
 
Component P/N Qty 
Screw E43-1203501-H29 2 
 
2
1 
2
1 
2
3 
1