Gather these parts in order
Glue the parts together so that the non-numbered detail sides face out forming a "T" shape that is on it's side.
Glue in the header board and the face plate.
Glue in the insert into the face plate. It should sit a bit proud of the rest of the face plate.
Glue the three straps onto the top and bottom of the machine.
Glue the grill onto the back of the machine. Depending on the amount of glue used in the first step, this fit may be tight. If it is, sand down the edges of this panel so that it fits into the recess.
Prime with Rust-o-leum Profesional Enamel flat black and paint as normal with hobby paints.