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Removing and installing traffic data memory - AR82.61-P-7483A

MODEL 129 with CODE (351) Auto-pilot system (APS) 

Fig 1: Identifying Traffic Data Memory Components
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REMOVINGINSTALLING Removal, installation     
1 Connect quiescent current retention unit   *WH58.30-Z-1012-09A 
2 Disconnect ground lead from battery   AR54.10-P-0003A
3.1 Remove navigation processor as of 1.1.98 and retrofitted after 1.1.98 AR82.61-P-7410F 
4.1 Remove traffic data memory from mount (1) as of 1.1.98 and retrofitted after 1.1.98  
5 Unlock connector and disconnect traffic data memory connector (2) from traffic data memory (A2/43)    
6 Install in opposite order    
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1012-09A Quiescent current retention unit