Do-It-Yourself Air Filter Cleaner TRACTORS Accessories 25-2-39 Cleaning dirty air filters is a piece of cake at Miller's Golden Acres, Donnybrook North Dakota, since Doug Miller made his own filter cleaner that uses a blast of air to instantly clean filters. Miller, who farms with his father Dave, started with a small air tank that he bought at a local farm supply store. At the farm supply store, he also picked up a 2-ft. length of 2-in. steel pipe, with threads already cut at both ends. And he bought a valve that would fit on the 2-in. pipe. Back at the shop, he cut a hole in the bottom of the air tank and fitted it with a 1-ft. long piece of 2-in. dia. pipe. He welded the pipe into the hole. He then cut a 15-in. circle from a piece of 1/8-in. thick sheet metal. He cut a hole in the center of that and welded in another 1-ft. long piece of 2-in. pipe. He screwed the free ends of the two pipes into a shut-off valve. To clean a filter, he puts about 80 lbs. of air pressure into the air tank. Then he places the filter on the shop floor or on the ground and sets the tank on top of it with the sheet metal circle over the filter. "I just press down a little to help seal it on the filter and then open the valve," he says. "The big burst of air pressure cleans the dirt and debris off the filter instantly. "Before I made this, we held the filters in our hands and tried to blow out all the dirt with a hose from the air compressor. This works much better and it takes less time, too," he says. He figures he spent less than $100 on the filter cleaner. Contact: Farm Show Followup, Doug Miller, Miller Golden Acres, 32400 380th St. NW, Donnybrook, N. Dak. 58734 (ph 701 482-7873; E-mail: doumiller@hotmail.com)

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