Please follow the instructions provided in the PDF below. It contains detailed step-by-step instructions with images.

The short summary is:

  • Insert the seat back into the metal slot of the seat pan
  • Align the screw holes properly
  • Put the washers onto the bolts
  • Tighten each bolt by hand a little bit at a time. It is important to rotate between all three bolts so that the pressure is evenly distributed
  • Complete the tightening process using the largest hex key