How to install the rotary unit in a LEF2 200

Check you have all the parts needed to do the initial installation 1 x Right frame 1 x Left frame 4 x Steel Rods 2 Spacers Screws pack 4 pcs M4x 18 4 pcs M4x 10 5 pcs M4x 20 5 pcs M4 Washer 2 pcs M4x 30 2 hexagonal keys: 2 mm and 2.5 mm Height tool