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  1. #1
    Member
    Join Date
    Feb 2010
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    29
    Location
    Rosenberg, TX
    Tractor
    Kubota L2350, L3800, L3710; JD 5425, 6105R, 7130-P; IH 1086

    Default JD SCV - coupler release?

    As I learn more about the SCVs, I come across tips that say I should use the SCV release lever when removing my hydraulic hoses from SCVs.

    I bought an old International 1086 20 years ago. I had it for perhaps 4 or 5 years before I realized that it had a levers on the side of each SCV, which made hose removal much easier. Up to that point, I simply jerked the hoses out. Talk about ignorant!

    I have 2 JD tractors with "300 series" e-SCV (Bucher is manufacturer). I have looked, but don't see release levers. Am I missing something?

  2. #2
    Super Member Tx Jim's Avatar
    Join Date
    Jan 2007
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    7,289
    Location
    Coyote Flats,Tx
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: JD SCV - coupler release?

    I think release levers you're referring to are on older JD tractor from the 30-55 series.

  3. #3
    Elite Member Industrial Toys's Avatar
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    Feb 2008
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    4,707
    Location
    Ontario Canada
    Tractor
    Kubota R510 Wheel Loader + Cab and backhoe, JD 6200 Open Station, Cushman 6150, 4x4, ten foot 56 hp Kubota diesel hydraulic wing mower, Steiner 430 Diesel Max, Kawasaki Diesel Mule, JD 4x2 Electric Gator

    Default Re: JD SCV - coupler release?

    The front loader mount SCVs on my JD6200 have those levers. It is the only time I have ever seen them and I don't know what they do. Makes no difference and I have never seen a drop of oil come out the little hole.

  4. #4
    Bronze Member 1010's Avatar
    Join Date
    Oct 2010
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    83
    Location
    MS
    Tractor
    JD 4000 sold now a 2015 5075E

    Default Re: JD SCV - coupler release?

    Push in then pull back out quickly, on the new style couplers, with out the release levers.

  5. #5
    Elite Member Zebrafive's Avatar
    Join Date
    Aug 2010
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    3,901
    Location
    South West MI
    Tractor
    John Deere 2030, John Deere 6415

    Default Re: JD SCV - coupler release?

    My 2030 has what John Deere calls breakaway couplers. They have the lever on the bottom that will push in the poppet/ball of the tip. You can just pull to remove the coupler, hence "breakaway" coupler.


    In the picture one side (left) is forward. This holds the tip, the right side shows the female coupler slid back, tip is then released. The bore the female coupler is in is larger at the rear letting the perimeter balls release the tip. Forward the bore is smaller, forcing the balls to retain the tip.
    Attached Thumbnails Attached Thumbnails JD SCV - coupler release?-dscn7800-jpg  
    John Deere 2030 JD 245SL Loader
    John Deere 6415 mfwd JD 640SL Loader

  6. #6
    Member
    Join Date
    Feb 2010
    Posts
    29
    Location
    Rosenberg, TX
    Tractor
    Kubota L2350, L3800, L3710; JD 5425, 6105R, 7130-P; IH 1086

    Default Re: JD SCV - coupler release?

    Quote Originally Posted by 1010 View Post
    Push in then pull back out quickly, on the new style couplers, with out the release levers.
    Thanks for the confirmation. I have JD couplers on 2006, 2008, 2012 tractors and don't see any levers. I'd guess that the push-in action is to first release any pressure.

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