IBM 2647 Hardware Maintenance Manual - Page 67
Backup battery
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UPC - 087944636199
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Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in the parts listing for your computer. Use of an incorrect battery can result in ignition or explosion of the battery. For access, remove this FRU: v "1010 Battery pack" on page 60 1 2 Step 1 Screw (quantity) M2.5 × 3.5 mm, (1) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 61
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1020 Backup battery
DANGER
For access, remove this FRU:
v
“
1010 Battery pack
”
on page 60
1
2
Step
Screw (quantity)
Torque
±1²
M2.5
×
3.5 mm, (1)
0.392 Nm
(4 kgfcm)
(continued)
Use only the battery in the parts listing for your
computer. Use of an incorrect battery can result in
ignition or explosion of the battery.
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series
61