Patent ID: 6729556
Filing Date: 2004-05-04
Classification: B05B

Abstract:
A method for use with an airless spray painting system wash-out apparatus that includes a single fluid transfer pump, the method comprising the steps of:providing a wash-out element having an inlet coupler and an outlet coupler, the outlet coupler being in fluid communication with the fluid transfer pump; providing a flow valve, in the wash-out element, between a pick-up hose in fluid communication with a paint source and the fluid transfer pump; providing a wash-out hook-up valve, in the wash-out element, between the flow valve and the fluid transfer pump, wherein the wash-out hookup valve is coupled to a cleaning fluid source; and washing-out the fluid transfer pump with cleaning fluid by: closing the flow valve, opening the wash-out valve, and the drawing cleaning from from the cleaning fluid source, through the wash-out hook-up valve, through the wash-out element and through the fluid transfer pump, wherein the cleaning fluid travels through the fluid transfer pump in the same manner as does paint from the paint source.