84 10 011 Replacing emergency battery for Telematic Communication Box (TCB)

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IMPORTANT: Observe the INFORMATION ON PROTECTION FROM ELECTROSTATIC DISCHARGE .

Necessary preliminary tasks:

Remove the TELEMATIC COMMUNICATION BOX (TCB) .

Fig 1: Opening Lid On TCB
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Open lid (1) on TCB (2) in direction of arrow.

Disconnect connector (1).

Fig 2: Removing Emergency Battery From TCB

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Remove emergency battery (2) from TCB (3).