hello, thanks for all the information about the dissasembly. It helped a lot.
I would also like to give a small contribution: There is a hidden screw under this furry strip. The strip is glued so you can take it out and reveal the screw:
I had a lot of trouble to remove the plastic covers right next to the wheels. Here's the picture of the cover, perhaps it will help you understand what's the best way to remove it:
I also cut the original wires (red and black and replaced them with the new ones, along the pipe:
Cheers!