1+ Silencer grass shield  
2+ Grass shield attachment bracket  
3+ Rivet  
4+ Spring nut  
5+ Self tapping screw  
6+ Plain washer  
7+ Oval washer  
8+ Grass shield attachment bracket  
9+ Spring nut  
10+ Oval washer  
11+ Plain washer  
12+ Self tapping screw  
13+ Grass shield  
14+ U-bolt  
15+ Plain washer  
16+ Cleveloc 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.