I HAVE BEEN PUTTING TOGETHER VERY COMPLEX MACHINERY FOR MANY YEARS. WHY IS IS THAT YOU HAVE ELECTED TO NOT SHOW HOW TO PUT THIS DEVICE BACK TOGETHER, VERY UPSET!!! MODEL #537N I WOULD APPRECIATE A REPLACEMENT\ AT THIS POINT AS I BOUGHT THIS AS A SET AND I HAVE SPENT OVER 3 HRS. TRYING TO PUT IT BACK TOGETHER FOR ROUTINE CLEANING!!!!! AND I DON'T WANT OR NEED A FACEBOOK ACCOUNT.