FAQ Search Select a Category BarkBath Cleaning Formulas Cleaning Tips Commercial Products Corporate Deep Cleaners Hard Floor Cleaners Mops, Brooms and Brushes Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go My Momentum® or PowerTrak® Cyclonic Vacuum is hard to push. Any suggestions? Answer: Try adjusting the height of your vacuum by using the height adjustment knob in the middle of the base. A higher setting should help to ensure the brush rotates freely. If this doesn’t work, please take your vacuum to a technician. You can find your nearest BISSELL® Authorized Service Center by clicking http://www.bissell.com/support/product-support/service-centers/ or by calling 1-800-237-7691, available 24 hours a day.