0+ (Unillustrated Parts)  
1+ Auxiliary shaft and sprocket  
2+ Housing  
3+ .Bush  
4+ Auxiliary shaft bearing gasket  
5+ Cap screw  
6+ Thrust washer  
7+ Circlip  
8+ Oil seal  
9+ Auxiliary shaft driving dog  
10+ Spirol pin  
11+ Setscrew  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.