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Howto adjust three point hitch linkage

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8x56mn
Join Date: Aug 2006
Posts: 167 Watkins Glen NY
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2008-04-14          152951


What is the best way to adjust the 3 point hitch linkage. What I mean is, should there be any side to side movement with the implement hooked and raised? I noticed that telescoping rod was hitting the gear housing on one side, so I tightened the turnbuckle on the opposite lower side to prevent it from doing it and now I have no side to side play what so ever, it this OK?

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Howto adjust three point hitch linkage

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Murf
Join Date: Dec 1999
Posts: 7209 Toronto Area, Ontario, Canada
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2008-04-14          152954


There has to be some free-play.

Bear in mind, no 2 implements are going to be the same width, close, but not the same. Also, the geometry of the 3pth hitch is such that the sway bars and the lower arms are pivoting at a different spot, that means the arms will naturally have more or less distance between them depending on whether they are up, down or in the middle. If you tighten them such that in the narrow position there is no free-play, in the wider position it will actually have bend something in order to take up the discrepancy.

The linkage is only meant to stop the implement from swinging so far that it touches the tire.

Best of luck. ....

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Howto adjust three point hitch linkage

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kthompson
Join Date: Oct 2005
Posts: 5242 South Carolina
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2008-04-14          152956


The implement you are using may have need for play or may need to have as little as possible. Right off can not think of anything you might use other than a planter or cultivator that you try to keep as much movement out as possible or often do, well a trailer also. Often side movement helps. kt ....

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Howto adjust three point hitch linkage

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8x56mn
Join Date: Aug 2006
Posts: 167 Watkins Glen NY
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2008-04-14          152957


Well the reason I wanted to take out the side movement was because the one telescoping rod has worn a preety good size divot if you will in the frame where it has been rubbing. I have a Bush Hog along with the bacvk blade and pto driven mower and PHD that I use on my tractor and thoght it would or should be centered and reaonably stable. Where I realy see the movement from side to side is when I'm using the PHD and Blade pushing in reverse. Murff, I don't think it is binding at all during movement, but could be wrong. ....

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Howto adjust three point hitch linkage

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Murf
Join Date: Dec 1999
Posts: 7209 Toronto Area, Ontario, Canada
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2008-04-14          152958


Ok, things are a little clearer now.

First off, don't go by the PHD, they are notorious for wobbling around like a drunken sailor.

The blade will also wander, because of an uneven load as it encounters different soil, especially when you are using it in reverse.

Bear in mind, the 3pth is designed for PULLING a load, not pushing one.

Best of luck. ....

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Howto adjust three point hitch linkage

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8x56mn
Join Date: Aug 2006
Posts: 167 Watkins Glen NY
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2008-04-14          152962


OK, so I probably should back off a little just eneough so it does't rub on the frame then correct? Thanks all for the help. ....

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Howto adjust three point hitch linkage

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DennisCTB
Join Date: Nov 1998
Posts: 2685 NorthWest NJ
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2008-04-14          152964


When I attach an implement the first thing I do is to adjust the turn buckles to remove most of the free play then I back both them off so the implement has some wiggle room, but it is not at all sloppy like yours sounds. There is no way the arms would even come close to the wheels when I am done.

Once in a while I have forgotten to make the adjustment after attaching the grader blade, and the lack of adjustment is really noticeable when pushing snow backwards.

....

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Howto adjust three point hitch linkage

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kthompson
Join Date: Oct 2005
Posts: 5242 South Carolina
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2008-04-14          152965


8 X 56, I am confused: the turnbuckle, where is it? You mentioned turning it to take out the slack and then talk about the telescoping rod for the same. I have a Kubota larger and smaller than yours and they both use telescoping stablizers with pins. I have no idea if all Kubota models use them or if some may have chains and turnbuckles as some other brands do.

If you have telescoping stablizers the only turnbuckles I can think of are for leveling or tilting your implement, not taking out any slack.

On my tractors (again both Kubotas) I almost all ways install the pins in a single hole after hooking up to an implement and very seldom use the long slot that allows a fair bit of side to side movement. There is enough slop in the stablizers I have never found them to bind. Matter of fact, at times find them very loose compared to some other stablizers such as some Fords and MF.

The one implement that I have found I really benefit by using the slots for is what we call a whirly bird. The amount of movement seems to help it shake the contents down. I use a scrape blade a fair amount both pulling and pushing and always pin it in the single holes and not in slots. kt ....

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Howto adjust three point hitch linkage

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8x56mn
Join Date: Aug 2006
Posts: 167 Watkins Glen NY
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2008-04-14          152968


OK the telescoping ones are positioned verticly and are for leveling, the one positioned on the right actualy rubs on the frame. The turnbuckels are on the bottom and are horizonal, that's what I adjust to change the to side to side movement, does that clear it up? Regarding slots, I don't have slots, I do have a 3 hole braket on the back of the tractor for attatching the adjustable turnbuckle that would be the 3rd point. I think I will just back of the lower turnbuckle eneogh to give a little play side to side.
Thanks again. ....

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Howto adjust three point hitch linkage

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kthompson
Join Date: Oct 2005
Posts: 5242 South Carolina
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2008-04-14          152970


If you have chains and turnbuckles I would agree with Murf you probably can have them too tight if you tighten them 100%. At the same time Ford years ago had what they called sway chains on their lift arms and then solid and I mean solid stablizers with no slack at all other than a very little in the pin holes. It is a good idea to at engine idle operate your lift watching to be sure your stabliers are NOT binding if you have any doubt as their being too tight. kt ....

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