All Eriez feeders are designed to provide years of dependable service. Over time components wear and need replacement or adjustment. This video will assit you in tuning your Eriez "B" laboratory feeder as well as offer several other troubleshooting and maintenance tips to ensure optimal performance. To learn more about Eriez' "B" series feeders, visit http://www.eriez.com/Products/Index/Electromagneticvibratoryfeeders