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8N Hydraulic

JDLutey Join Date: Aug 2004 Posts: 21 Nebraska

2005-07-12          113354

My apologies for the "duplication"

I probably messed up the other day asking my question in the "ford" forum -- rather in this one specifically.

I had said: (and Art had responded, etc)


JDLutey
2005-07-08
Post: 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


Art White
2005-07-09
Post: 113194

Premium Member
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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JDLutey
2005-07-12
Post: 113352

Premium Member
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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8N Hydraulic

BillMullens Join Date: Jun 2000 Posts: 649 Central West Virginia   Pics

2005-07-12          113363

Here is a brief description of some common problems:
http://www.ytmag.com/articles/artint265.htm

There used to be a very detailed N-series hydraulic troubleshooting guide at nseries.com; but it appears that Nokia now owns the nseries domain name. Maybe the old tractor nseries site will pop up somewhere else on the net.

Good luck,
Bill ....


Link:   8N hydraulics article

 
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