This poly belt is a replacement for the one found in your U-40 and Koblenz U-80 upright vacs. Replacement is simple as indicated in the table below. For safety purposes, always unplug your unit before servicing or replacing parts. Brush Roll Replacement 1.) Release the upright handle by pressing the foot pedal. Lower the handle and turn the vacuum over. Remove the retainer bar shown in the picture by pressing on one side until it releases (press hard). 2.) Remove the bottom plate by pulling it upwards and away from the front lugs. 3.) Take the belt off of the pulley by slowly rotating the brush roll. 4.) Firmly pull the brush roll out of its base. Remove it and the belt from the upright. 5.) Slip the belt over the new brush roll. Place the brush roll back as it was with both bearing supports facing upwards. Make sure to match the red painted side of the new brush with the red painted support. 6.) Force the new belt over the pulley making sure the belt is twisted to the right. Make sure to follow the diagram on the chassis, otherwise your brush roll will spin backwards. 7.) Replace the bottom plate into its original position, aligning the front holes with lugs on the vacuum. Place the retaining bar back into position and secure it by pushing down until it catches into place. When replacing a belt, it is also a good idea to clean out/replace the brush roll for your vacuum, which can be seen on the Koblenz contractor vacuum brush roll product page. You can find both of these products in our full vacuum belts department.
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