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  1. #1
    Platinum Member
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    central Illinois near Lake Shelbyville
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    Case 2090 Massey Ferguson 4233 John Deere 4700

    Default 3 point hitch is slow lowering

    My 755 all the sudden is slow to lower the 3 ph. I have looked in the book and it does not mention anything about a valve to control the speed of drop like my 4700 has. Anyone have any ideas at what it could be?

  2. #2
    Platinum Member JD755's Avatar
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    Aug 2009
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    John Deere 755 purchased new in 1993

    Default Re: 3 point hitch is slow lowering

    Raise the seat and look under the left side. There is a large knob close to the left fender. That is the rate of drop control.
    JD 755, 70 Loader, 60 inch MMM, Landpride rear blade, Modern box blade, Wallace subsoiler

  3. #3
    Platinum Member JD755's Avatar
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    John Deere 755 purchased new in 1993

    Default Re: 3 point hitch is slow lowering

    From the manual.
    Attached Thumbnails Attached Thumbnails 3 point hitch is slow lowering-rate-drop0001-jpg  
    JD 755, 70 Loader, 60 inch MMM, Landpride rear blade, Modern box blade, Wallace subsoiler

  4. #4
    Epic Contributor RoyJackson's Avatar
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    Bethel, Vermont
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    John Deere 4520 MFWD, Deere 855D UTV, Z920A Zero Turn Mower and assorted implements

    Default Re: 3 point hitch is slow lowering

    Quote Originally Posted by JD755 View Post
    From the manual.
    JD755, you are my hero!
    (nice posts!)
    Roy Jackson

    "Any government that does not trust its citizens with firearms is either a tyranny, or planning to become one."
    -Joseph P. Martino

  5. #5
    Platinum Member JD755's Avatar
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    Aug 2009
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    John Deere 755 purchased new in 1993

    Default Re: 3 point hitch is slow lowering

    Quote Originally Posted by RoyJackson View Post
    JD755, you are my hero!
    (nice posts!)
    Thanks Roy. Just like you, always glad to help where I can.
    JD 755, 70 Loader, 60 inch MMM, Landpride rear blade, Modern box blade, Wallace subsoiler

  6. #6
    Platinum Member
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    Mar 2005
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    central Illinois near Lake Shelbyville
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    Case 2090 Massey Ferguson 4233 John Deere 4700

    Default Re: 3 point hitch is slow lowering

    Well I checked the valve and it was all the way open. I checked Hydralic oil level and it was fine. I did notice as the temp outside dropped this evening the better the 3 ph worked. It raises just fine. It is just lowering it that is a problem. I was bushogging some pretty tall grass and working it pretty hard. I did not over work it but was working it. The temps here today was around 90. I was wondering if it would have anything to do with the hydralic oil temp. I also blew out the radiator and oil cooler as it was getting a lot of trash in it from mowing tall grass.

  7. #7
    Platinum Member
    Join Date
    Mar 2005
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    947
    Location
    central Illinois near Lake Shelbyville
    Tractor
    Case 2090 Massey Ferguson 4233 John Deere 4700

    Default Re: 3 point hitch is slow lowering

    I called my John Deere dealer today and he said it sounds like a heat problem. I am going to try and blow out the cooler real good and wash it. If that does nto help I am not sure what to do. I did not use it tonight but I did start it up and the 3ph dropped like it should.

  8. #8
    Platinum Member JD755's Avatar
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    John Deere 755 purchased new in 1993

    Default Re: 3 point hitch is slow lowering

    Agree with checking for heat problem first. Looking through the tech manual problem could be the lowering check valve. Looks like not too hard to work on. Or the stop valve itself.
    Attached Thumbnails Attached Thumbnails 3 point hitch is slow lowering-check-valve1-jpg   3 point hitch is slow lowering-check-valve2-jpg   3 point hitch is slow lowering-check-valve3-jpg   3 point hitch is slow lowering-check-valve4-jpg   3 point hitch is slow lowering-check-valve5-jpg  

    Last edited by JD755; 05-28-2010 at 07:24 AM.
    JD 755, 70 Loader, 60 inch MMM, Landpride rear blade, Modern box blade, Wallace subsoiler

  9. #9
    Member
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    Aug 2009
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    Tractor
    JD 4200, JD x360, JD z950r JD x739

    Default Re: 3 point hitch is slow lowering

    Had the same problem with my 4200 last year. Come to find out it was a small o-ring that had a little cut on it. Seems to me it was on the check valve also.

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