Table 25. Removal steps of BDC-3.0

1

2

 

Step

Screw (quantity)

Color

Torque

 

 

 

 

 

 

 

 

 

M2 × 3 mm, wafer-head, nylon-coated (1)

Silver

0.181 Nm

 

1

 

 

 

 

 

 

(1.85 kgfcm)

 

 

 

 

 

 

When installing: Make sure that the connector is attached firmly.

 

 

1120 Backup battery

For access, remove these FRUs in order:

1010 Battery pack

1030 DIMM slot cover

1060 Keyboard

1100 Keyboard bezel assembly

DANGER

Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode.

Chapter 9. Removing and replacing a FRU 79

Page 87
Image 87
IBM T520I, W520 manual Backup battery