I just got my new Vogelzang XL stove unboxed and slid into place and I was about to connect the chimney pipe and then I realized that I can't get either of the air control levers to move. I think they are in the open position but, I can't get either of them to slide and I'm afraid if I pull any harder the springs will slide off the shafts. ALso, there is a cloth insulation type material that I can see when looking down the chimney connection point in the top of the stove. That is supposed to stay there I presume? It's held under 3 flat pieces of metal that look like they are intended to keep the cloth insulation material laying flat. Any information would be great and I don't see anything about it in the manual.