I just rebuilt my 1952 Super A hydraulic cylinder block last weekend. I installed a new kit of o-rings and gaskets from the CaseIH dealer. I noticed a couple days later my control valve o-rings were leaking. So I got new o-rings separate from the kit and installed these last Friday night. It appeared these o-rings had a slight thicker wall. I thought this was going to work but it started leaking later Friday night and is still leaking. Anyone have any ideas what I can do next? I have looked all over for thicker o-rings with the 1/2 inch I.D. to match close to what the control valve requires. Everybody I talk to says they had no leaks after installing the o-rings even the CaseIH dealer mechanic. Someone recommended teflon orings but I can't see how I would stretch a teflon o-ring over the shaft.
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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