4. Thoroughly clean the thermal material from the surfaces of the WWAN module and the bottom
cover each time the bottom cover is removed. Replacement thermal material is included with the
bottom cover spare part kit. The following illustration shows the replacement thermal material
locations.
A thermal pad is used on the WWAN module (1) and on the bottom cover area (2) that services it.
To replace the bottom cover, reverse the removal procedures.
Battery
To remove the battery, use this procedure and illustration.
Table 5-2
Battery descriptions and part numbers
Description Spare part number
Battery (includes cable):
3 cell, 51 Whr, 4.68 Ahr, LI M73466-005
3 cell, 38 Whr, 3.53 Ahr, LI M73468-005
3 cell, 38 Whr, 3.53 Ahr N22347-005
WARNING! To avoid personal injury and damage to the product:
● Do
not
puncture, twist, or crack the battery.
● Do
not
cause an external puncture or rupture to the battery. They can cause a short inside the
battery, which can result in battery thermal runaway.
● Do
not
handle or touch the battery enclosure with sharp objects such as tweezers or pliers, which
might puncture the battery.
● Do
not
compress or squeeze the battery case with tools or heavy objects stacked on top of the
case. These actions can apply undue force on the battery.
● Do
not
touch the connectors with any metallic surface or object, such as metal tools, screws, or
coins, which can cause shorting across the connectors.
Battery
41
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