Lenovo B490 Hardware Maintenance Manual - Page 51
Optical drive, Removal steps of bottom slot cover, Removal steps of optical drive
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Removal steps of bottom slot cover Remove the screws 1 , and then remove the cover 2 . 1 1 2 2 Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (2) 1030 Optical drive For access, remove these FRUs in order: • "1010 Battery pack" on page 44 • "1020 Bottom slot cover" on page 44 Removal steps of optical drive Remove the screw 1 . 1 Color Black Torque 1.85 kgf-cm Step 1 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (1) Color Black Torque 1.85 kgf-cm Chapter 7. Removing and replacing a FRU 45
Removal steps of bottom slot cover
Remove the screws
1
, and then remove the cover
2
.
1
1
2
2
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, flat-head, nylon-coated (2)
Black
1.85 kgf-cm
1030 Optical drive
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 44
•
“1020 Bottom slot cover” on page 44
Removal steps of optical drive
Remove the screw
1
.
1
Step
Screw (quantity)
Color
Torque
1
M2 × 3 mm, flat-head, nylon-coated (1)
Black
1.85 kgf-cm
Chapter 7
.
Removing and replacing a FRU
45