You could have a couple of problems, the first and simplest to fix is a broken belt. You can check that by taking the screw out of the side door of your vacuum and take the door off. You should see the motor shaft towards the back of the unit and the pulley for the brush roll at the front of the unit. If your belt is broken you can just replace it with a new one and put the door back in place and replace the screw and you should be back in business. If the belt is not broken and is around the motor shaft and brush pulley, you could have bad bearings on your brush roll or you could have hair and lint bound up around the bearings of the brush roll. Depending on how long you have had that brush roll in your vacuum, you might want to check into replacing it. If you have to take off the bottom cover to get to the brush roll, you need to take out 5 screws that hold the bottom plate on. If you take the brush roll out make sure you note which way the marks on the bearings are showing. If you have several "hash" marks showing that is the setting for a new brush, if only 1 "hash" mark is showing that is the setting for a used brush. If you have had it for a while and you find it on the new setting and the vacuum has not been "pulling" itself while vacuuming then you probably should turn the bearings over to the used setting and that will lower the brush closer to the floor and should start pulling again. Hope this helps! Sorry it is so long.
Answers & Comments
You could have a couple of problems, the first and simplest to fix is a broken belt. You can check that by taking the screw out of the side door of your vacuum and take the door off. You should see the motor shaft towards the back of the unit and the pulley for the brush roll at the front of the unit. If your belt is broken you can just replace it with a new one and put the door back in place and replace the screw and you should be back in business. If the belt is not broken and is around the motor shaft and brush pulley, you could have bad bearings on your brush roll or you could have hair and lint bound up around the bearings of the brush roll. Depending on how long you have had that brush roll in your vacuum, you might want to check into replacing it. If you have to take off the bottom cover to get to the brush roll, you need to take out 5 screws that hold the bottom plate on. If you take the brush roll out make sure you note which way the marks on the bearings are showing. If you have several "hash" marks showing that is the setting for a new brush, if only 1 "hash" mark is showing that is the setting for a used brush. If you have had it for a while and you find it on the new setting and the vacuum has not been "pulling" itself while vacuuming then you probably should turn the bearings over to the used setting and that will lower the brush closer to the floor and should start pulling again. Hope this helps! Sorry it is so long.