Acer TravelMate B3 Lifecycle Extension Manual page 17

3.
Turn over the battery from the uppercase.
Figure 3-31. MB
4.
Remove 6 screws on the MB.
Figure 3-32. MB
Table 3-10. MB Screw
Step
Remove MB
RTC : WEEE Annex VII component
4
6
7
Screw
SCREW_M2*3mm_0.65
mm_5 mm_BLACK
2
3
Quantity Screw Type Torque/kgfcm
7
5
1
1.5+/-0.1
kgf.cm