Here is what I've found so far. I cleaned all the sludge out of the housing with rags and gasoline. I can't get that picture to pull up from the archive but I remember looking at it last month. Mine doesn't look like that picture.
That overflow pipe (#19 in drawing-IH200)in the rear is a shiny steel pipe on a shiny steel rectangular plate (#14) that is bolted up from underneath the draft control housing as shown on IH-200 of the IT manual. It sits down making its own sump. I tried wrenches and you name it and it wouldn't turn at all. Upon further review of the black ring on the plate around the overflow pipe appears to be from a weld. I think the pipe is welded in unless someone thinks it is just a nipple welded under there. Anyway I couldn't budge it. I could maybe cut if off shorter with a hack saw or recip saw.
I didn't remove the hex plug in the left front, but sky you are right, the hex plug shows up in IH-202 of the IT manual as #11-drain plug. It is a small hole but I'll go ahead and remove it. Only other thing is that the overflow tube sits right above the axle and maybe it helps lube the gears or something. Hopefully someone will tell me if that makes a difference.
I couldn't pull the relief valve (#13-IH200 or #12-IH202) cause I didn't have a 1 1/8" socket with me.
I did pull that hyd. diverter flange (it doesn't show up in the IH-31 shop manual) and it basically is a connecter to allow flow between the two holes it covers. If you look at IH-200 you can see where the flange sits. There are 4 holes with 2 on the ends for bolts and 2 that flow oil. Apparently #11 cylinder and valve assembly normally bolts on there. Both of the o-rings were blown out but I don't know if it was leaking and I don't think that would fix my steering problem but I'll replace them.
I pulled the front hyd. block off the front of the case where the power steering bypass/oil cooler line comes in. Cranked the engine and it has flow.
So I'll get the new o-rings for the hyd. diverting flange, pull the hex drain plug, get a socket to check the relief valve in the housing as well as the one on the hyd. block on the right side of the housing, and then move on to another part of the hyd. system to trouble shoot the steering. I'll keep posting to keep up with the archives and onec it is fixed, I'll move this over to my old post to archive.
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Today's Featured Article - Uncle Cecil's Super A Lives Again - by Mike Purcell. A week or so out of most of my childhood summers was often spent with my Uncle Cecil and Aunt Sissie in the small East Texas town of Maydelle on their 80 acre farm. Some of my fondest memories of these visits are those of learning to drive a tractor at the helm of Uncle Cecil’s 1948 Farmall Super A. Uncle Cecil was the second owner of this wonderful little tractor, but it was almost as though he had adopted an infant. The original owner was a man from Minnesota who bought her from a local dea
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