0+ (Unillustrated Parts)  
1+ Clamp  
2+ Wing nut  
3+ Spring washer  
4+ Battery rod  
5+ Battery tray and support bracket  
6+ Setscrew  
7+ Washer  
8+ Flanged nut  

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.