CANT GET MY POWERSTEAMER PRO DELUXE MODEL 8804 BACK TOGETHER

\015 I HAD TO TAKE MY MACHINE APART TO CHANGE THE WATER PUMP, UNFORTUNATELY FORGOT HOW TO GET IT BACK TOGETHER IN THE TIME IT TOOK FOR THE NEW PUMP TO GET HERE. I HAVE TO GET THE BRUSH BACK ON, I HAVE THE BRUSH WITH A ROD THAT FITS THROUGH IT, 2 BLACK PLASTIC PIECES THAT GO ON EITHER SIDE OF THE BRUSH, AND A RED PLASTIC PIECE THAT SEEMS TO NEED TO BE SCREWED ON. IT SEEMS THAT THE BLACK PLASTIC END PIECES SHOULD CLIP INTO THESE SPRING LOADED CLIPS, BUT I CANT GET IT TO WORK, AND WHERE ON EARTH DO I PUT THE RED PIECE? PLEASE HELP!\015 – Bissell 1697-7 Powersteamer Pro Deluxe Vacuum