|
Hickory: Couple things wrong with this discussion, yes it should be as simple as backing up with plow down until you hear it click. And yes you should have a manual, it shows how to manually trip these and lubricate them anually as paul suggests. Clean them up and put graphite on them, not grease. The other possibility is you have something broken in there. There is what looks like a very short leaf spring with a hooked end. Those can break, you should always have one on hand. As to model designation, both plows were available with either type of hitches and tail wheels hoover speaks of, although what he states is usually the case. The quickest way to tell which plow you have is the fore and aft clearance between plow beams. No 60 is 21". No. 70 is 24". I believe the 70 has more vertical clearence from tip of plow point to beam as well but I can't seem to lay my hand on the figure right now. 700 plows were 30" and 500 plows were 27". I'm not sure I think 60 and 70 shared the same differences. On your triped beam, I was sure IH briefly used shear bolts on some of these trip bottoms. It may have been another manufacturer, as I can not find this in my plow parts book. If it is a shear bolt you should be able to quite easily compare with other bottoms. One thing I have learned over the years from IH plow parts books, is they at least used what is in the book you have, how much more we don't know. Problem with IH plow part books is when a new one was issued, it indicated this book superceeds book x and book x should be destroyed. Problem is not many were destroyed. By now they are all floating around for sale and unless you know the sequence, you are not sure the book is valid. Operators manuals will be somewhat better.
|
