You take out all the screws in the bag the place a screw driver in the oval opening in the back plastic plate pry outwards and pull be careful when doing so for safety's sake
....well I was using my discovery 2 to get up all the dust that flew all over the furniture when I took the concept apart. I guess it felt like it wanted to make a apperence:3
It was full of dust it was an old lady's concept that she kept in storage sweet old the she was. She replaced it with a dirt devil because it was to heavy for her.