Step 10.
Locate the nose and place the propeller with the insert on top of the countersunk hole. Sandwich together.
Insert the XL screw through the sandwiched pieces (nose, propeller and propeller insert), ready to attach to the front, centre of the plane.
Use the Allen key to tighten 1x ‘XL’ screw into the square space on the front of the plane.
Insert the short end of the Allen key into the screwhead and use the long end for better grip to tighten.