The Distributor shall perform the following functions: 1. Fill tank by Distributor pump from outside source. 2. Circulate material in tank. 3. Circulate material in spray bar. 4. Spray at a constant desired application rate, regardless of variance in truck speed. 5. Return material in spray bar to tank by pump suction. 6. Hand spray. 7. Return material in hand spray to tank by pump suction. 8. Transfer from an outside source to another outside source without having material enter Distributor tank. 9. Pump material back to supply source. 10. Automatically go from Circulate in Spray Bar to Spray mode and return to circulate without pushing material over relief valve. It is important that the Distributor be capable of returning all material in the spray bar, hand spray and distributing lines to the Distributor tank by means of pump suction. This function is to be accomplished without reversing the asphalt pump. 11. Unit shall use volumetric metering with no bypass when spraying to insure accuracy of application. 12. Provision shall be made for easily draining the circulating system independently of the tank and for flushing circulating system and pump with not more than three (3) quarts of fuel oil so as not to dilute tank contents.
