Why does my belt slip off when using my machine?

Answer: - Check the height adjustment of the vacuum using the height adjustment knob. By raising the base slightly, this should help to ensure the brush is rotating freely. If you are still having problems we recommend a Bissell Authorized Service Center. To locate your nearest BISSELL Authorized Service Center, go to the BISSELL Homepage at: http://www.bissell.com. Select the "Customer Service" tab at the top of the page and then select "Service Centers" from the drop down menu. Enter your zip code to perform your search. You can also locate a Service Center by phone, 24 hours a day, by calling 1-800-237-7691 and choosing option #1. Consumer Services Representatives are also available to assist you by phone. Please call 1-800-237-7691, Monday - Friday 8 a.m. to 10 p.m., or Saturday 9 a.m. to 8 p.m., ET.