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8N Hydraulic is wierd

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JDLutey
Join Date: Aug 2004
Posts: 21 Nebraska
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2005-07-08          113186


"Betsy" is a 1951 8N (side-mount distributor). The 3-point USED TO be just fine ... then would "get wierd" at times. Low lift power / all up (with little control) or all down, but if I "tapped" (OK, hammered) on the case, it would free up. I suspect something "sticks" ?? I'm gonna change hyd oil .. it's got "gear oil 80-90" as per specs, but I've heard other opinions (PTO shaft does leak a bit -- I'd hate to go too light). It used to have to be above 30 degrees for the Hydraulic to work .. cold = thick. (but I got a new NH TC-33 a couple years ago, so Betsy just does light duty now .. and the TC-33 does the plowing and mowing)
In short, what's with the 8N's 3 point? JDL




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8N Hydraulic is wierd

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Art White
Join Date: Jan 2000
Posts: 6898 Waterville New York
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2005-07-09          113194


I don't know where you are tapping exactly and that might help to answer your question. In the top of the case is a piston simular to a car engine that might be worn enough to get stuck or you might just have a sticky valve. To install lighter oil will only find more leaks for you then you had before. The system is designed for gear oil and I'd stick with it. ....


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8N Hydraulic is wierd

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JDLutey
Join Date: Aug 2004
Posts: 21 Nebraska
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2005-07-12          113352


Art, Thanks. As to WHERE ... I think I used to "tap" (actually pound) on the sides of the case, but it won't "free it up" at all any more. I keep thinking I'll get time to tear into it, but never seem to find the time -- OR the space to tie up. I also keep thinking sometime I'll drain it, put in some cheap detergent oil for a while, then drain it again and put in the proper gear oil. Maybe that'll help. "Betsy" probably has more sentimental value than $$ value. My wife says Betsy is the "Tractor Emeritus" since we got the NewHolland. (I spent a lot of my youth on 8N's mowing & raking hay .. and cleaning feed lots) I hate to spend to have some dealer or shop rebuild the hydraulic on a 50 year old tractor. Now, if there's somebody out there who knows and loves old Fords -- within 2 or 300 miles of the Omaha area -- and would like a little project this winter .... :-) I'd be tickled to talk to them. Jay ....


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