Drain separation system for power spray parts washing machine

A power spray washing machine comprising:

• a. an enclosed wash cabinet having a floor therein;
• b. a first liquid holding tank positioned beneath said wash cabinet;
• c. a second liquid holding tank positioned beneath said wash cabinet;
• d. a first spray means for spraying a first liquid within said wash cabinet;
• e. a second spray means for spraying a second liquid within said wash cabinet;
• f. a first pump means for pumping said first liquid from said first liquid holding tank into said first spray means and into said wash cabinet;
• g. a second pump means for pumping a second liquid from said second liquid holding tank into said second spray means and into said wash cabinet;
• h. a liquid collection trough extending downwardly from said wash cabinet floor;
• i. a first opening through a bottom wall of said trough and in direct fluid communication with said first liquid holding tank;
• j. a second opening through the bottom wall of said trough and in direct fluid communication with said second liquid holding tank;
• k. a first valve means positioned within said trough and above said first opening for controlling fluid flows through said first opening, with said first valve means including (i) a support positioned within the trough above and spaced from said first opening and attached to opposed sidewalls of said trough, (ii) an actuator attached to a lower surface of said support and having a moveable shaft extending downwardly therefrom, and (iii) a valve head attached to an exterior end of said shaft, with each of said support, actuator, moveable shaft and valve head of said first valve means being totally contained within said trough and having no portion thereof which extends out of said trough, with said first valve head moveable by said actuator between a closed position with said first valve head in direct contact with and closing said first opening and an open position with said first valve head out of contact with and uncovering said first opening, and with said first valve head retaining no fluids between the floor of said wash cabinet and said first liquid holding tank when said first valve head is in said closed position;
• l. a second valve means positioned within said trough and above said second opening for controlling fluid flows through said second opening, with said second valve means including (i) a support positioned within the trough above and spaced from said second opening and attached to opposed sidewalls of said trough, (ii) an actuator attached to a lower surface of said support and having a moveable shaft extending downwardly therefrom, and (iii) a valve head attached to an exterior end of said shaft, with each of said support, actuator, moveable shaft and valve head of said second valve means being totally contained within said trough and having no portion thereof which extends out of said trough, with said second valve head moveable by said actuator between a closed position with said second valve head in direct contact with and closing said second opening and an open position with said second valve head out of contact with and uncovering said second opening, and with said second valve head retaining no fluids between the floor of said wash cabinet and said second liquid holding tank when said second valve head is in said closed position;
• and
• m. control means for controlling the operation of said first and second valve means between said open and closed positions.