Do-it-Yourself Foam Marker

Do-it-Yourself Foam Marker SPRAYING Accessories 15-2-11 Small propane tanks make nifty foam markers for sprayers, according to Jim Rush, Fairfield, Ill., who built his own foam marker to mount on his pickup sprayer. The propane "bottle" mounts at the center of the spray platform on the pickup's flatbed. Foam lines run to either end of the spray boom from a solenoid-controlled valve at the top of the propane tank and foam is deposited on the ground through pieces of flexible PVC tubing at the end of each boom. Rush puts detergent and water in the propane tank. Pressure is created inside the tank by air pressure generated by an auto air conditioner pump mounted under the hood of the pickup and belt-driven by the engine. The air conditioner pump also fills an air pressure tank mounted under the truck bed that's used for filling tires on tractors, wagons and other implements. Rush sends foam to either end of the boom with electric toggle switches in the cab. Foam pressure is also controlled by an in-cab regulator. Contact: FARM SHOW Followup, Jim Rush, Rt. 5, Box 14, Fairfield, Ill. 62837 (ph 618 842-3974).

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