Since 1936, Rexair has manufactured vacuums with water collection basins rather than vacuum bags or canisters to capture dust, dirt and other debris and prevent particles sucked into the vacuum from escaping back into the air. Rainbow vacuums are designed for ease-of-use--with simple push-button locks and latches for quick separation of all vacuum pieces for cleanup and storage purposes. As a result, disassembly of your Rainbow E-Series isn't difficult and only requires that you also wash and dry your vacuum's water basin and separator thoroughly before storage to prevent bacteria and mold growth.
Turn off and unplug your Rainbow E-Series vacuum.
Remove whatever attachment you have connected to the top-curved, bottom-curved or straight wand: crevice tool, dusting brush, upholstery tool or floor and wall brush. Push in the button on the button lock to unlock the attachment from the wand. Pull the attachment from the wand end and set the attachment aside or place it on the attachment caddy.
Press in the latches on both sides of the hose coupling where it connects to the air intake on the power unit to unlock the hose from the unit. Pull the hose from the air intake and set it aside.
Lift up the two side latches to unlock the power unit from the base dolly. Turn the power unit over and unscrew the brass nut that holds the separator in place on the power shaft counterclockwise by hand or with the wrench attached underneath the unit near the shaft. Remove the separator from the shaft and set it and the power unit aside.
Grasp the sides of the water basin and lift it from the dolly. Empty the basin down a drain and rinse it out under warm running water.
Fill a sink with warm water and enough mild detergent to make the water soapy. Wash the basin and separator in the water. Wipe the basin out with a microfiber cloth and brush the separator with the brush tool attached to the wrench.
Rinse the pieces thoroughly under running water. Wipe dry the basin completely and air-dry the separator before storing either piece. Once completely dry, slide the separator onto the power shaft and hand-tighten the nut to the shaft to lock the separator in place.