Acer TravelMate Spin B311RA-31 Lifecycle Extension Guide - Page 7
Removing the Lower case
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Removing the Lower case 1. Place the laptop on flat while lower case should be upwards. Use screwdriver to remove 10 screw of lower case. The spec of NO 1 to NO 2 is SCREW_M2.5*6.7 mm_0.8 mm_4 mm_BLACK, the spec of NO 3 to NO 13 is SCREW_M2*5 mm_0.8 mm_4 mm_BLACK. Figure 3-3. Lower case Table 3-2. Lower case Screw Step Remove Lower case Screw Quantity SCREW_M2.5*6.7 mm_0.8 mm_4 mm_BLACK 2 SCREW_M2*5 mm_0.8 11 mm_4 mm_BLACK Screw Type Torque/kgfcm 2.0+/-0.1kgf.cm 2.5+/-0.1kgf.cm
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Removing the Lower case
1.
Place the laptop on flat while lower case should be upwards. Use screwdriver to remove 10
screw of
lower case. The spec of
NO 1 to NO 2 is SCREW_M2.5*6.7 mm_0.8 mm_4
mm_BLACK,
the spec of
NO 3 to NO 13 is SCREW_M2*5 mm_0.8 mm_4 mm_BLACK.
Figure 3-3. Lower case
Table 3-2. Lower case Screw
Step
Screw
Quantity
Screw Type
Torque/kgfcm
Remove
Lower case
SCREW_M2.5*6.7 mm_0.8
mm_4 mm_BLACK
2
2.0+/-0.1kgf.cm
SCREW_M2*5 mm_0.8
mm_4 mm_BLACK
11
2.5+/-0.1kgf.cm