1120 Backup Battery - Lenovo ThinkPad T520 Hardware Maintenance Manual

Removal steps of Bluetooth daughter card
Step Screw (quantity)
1
M2 × 3 mm, wafer-head, nylon-coated (1)
When installing: Make sure that the connector is attached firmly.

1120 Backup battery

For access, remove these FRUs in order:
• "1010 Battery pack" on page 66
• "1030 DIMM slot cover" on page 68
• "1060 Keyboard" on page 72
• "1100 Keyboard bezel assembly" on page 82
Removal steps of backup battery
DANGER
Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Color Torque
Silver 0.181 Nm
(1.85 kgfcm)
.
Chapter 9 Removing and replacing a FRU
85