I have made many drop control orfices from a chunk of a bar or bolt. Only thing is you have to have a nice flat surface at loader cyl or valve end so it will seal . Make small hole in like a quarter inch long piece, wide slot across one side of it so fluid had to go through hole when lowering but lifts plate and goes through slot on other side when raising. IH actually used them in some valves so I just copied. Lot of old combine headers and swather headers dropped like a rock is where I made them for. Have to adjust size of hole to get drop you are comfortable with. Another thing, some of the header control valves on the 715 IH combines were mismanufactured. They had a screw on them to control the rate of drop, but if you turned it in far enough to start slowing the drop it shut off the drop completely. If under warranty, changed the valve, if out of warranty, made an orfice.
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Today's Featured Article - Restoration Story: 1929 McCormick-Deering 10-20 - by Randal Simmon. On July 4th 1998 my dad and I was sitting on the front porch when he said that he was going to sell his two 10-20's to a junk man. He said that the junk man was going to give him $500 for both of them but he hadn't received the money for them yet. So I went into the house and wrote him a check for $500 and bought them myself and said now they are mine. He had bought them about five years before thinking that he was going to restore them himself. After five years sitting in the barn, he changed h
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