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Remove/Install Backup Battery For Digital Tachograph - Ar54.61-D-0009TS

Model 907 

G13792462
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on carrying out repair work in the vehicle interior   AH68.00-N-0001-01S
REMOVING Remove     
1 Remove digital tachograph (1) with electrical lines connected. NOTES
When the buffer battery (5) is removed, the vehicle power supply must always remain connected to the digital tachograph (1). Otherwise commissioning of the digital tachograph (1) is not possible.
AR54.61-D-0008TS 
2 Remove security seal adhesive label (2) and the cover (4) of battery compartment (3).    
3 Remove buffer battery (5) from battery compartment (3) and disconnect electrical connector (6).    
INSTALLING Install     
4 Connect electrical connector (6).    
5 Insert buffer battery (5) into battery compartment (3).    
6 Close cover (4) of battery compartment (3)    
7 Affix new security seal adhesive label (2). IMPORTANT The security seal adhesive label (2) must be stuck over the cover (4).  
8 Install digital tachograph (1).   AR54.61-D-0008TS