Removal and Installation Procedures
Lithium Battery
WARNING 
To avoid the risk of fire or explosion, install a new battery that has the same part number as listed in section 10, Mechanical Parts List, for a replacement battery.
To avoid the risk of fire or explosion, do not recharge, rapidly discharge, or disassemble the battery, heat it above 100° C, or incinerate it.
Dispose of used batteries promptly. Small quantities of used batteries may be disposed of in normal refuse. Keep lithium batteries away from children.
1.Assemble equipment and locate modules to be removed:
a.You will need a soldering iron to do this procedure.
b.You will also need a replacement lithium battery having the part number listed in section 10, Mechanical Parts List.
c.Locate the battery to be removed in the locator diagram, Internal Modules, in Figure 6/4.
2.Remove A5 Backplane board: Do the A5 Backplane Board procedure on page 6/49.
3.Orient board: Set the A5 Backplane board on an insulating surface.
4.Remove used battery:
a.Unsolder the tabs at the ends of the battery, taking care not to heat the battery (see Figure 6/23).
b.Grasp the battery, and lift it away from the board.
5.Install new battery:
a.Place the new battery on the board with the negative tab of the battery closest to the board edge connector.
b.Solder the tabs to the board.
WG Service Manual | 651 |