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 - Talk of the Town: The Saga of Grandpa's Tractor - by The following saga is from the Tractor Talk Discussion Forum. Someone. The saga starts with the following message: Hey guys I have a decision to make. I know what you all will probably suggest and it will probably agree with me way down inside, but here it is. I have a picture blown up and framed in my "tractor room" of a Farmall M. It was my Grandpa's tractor, of which whom I never got to meet. He froze to death getting this tractor out of the barn to pull a truck out of the ditch before I was born. Anyway my dad and aunt had to sell it at the auction,
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