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  1. #1
    Member
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    Dec 2012
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    40
    Location
    Surrey, UK
    Tractor
    1981 JD1640, 1970 Ford 3000

    Default Power Beyond to run a log splitter on JD 1640

    Hi All,

    We have a 1981 JD1640 that I hope to use to power a log splitter I am currently building.
    The JD has one pair of QD hydraulic outlets to the rear, these work with the one double-acting control valve fitted to the tractor. To date I have only had need to use these for a tipping trailer.

    Initially I was told by an agri engineer that I would be able to run the splitter from these connections, using the splitter's own control valve. Further reading on here since then has brought doubt to my mind. There is talk about installing power beyond kits, but that not all models need these to achieve that external capability.

    Can somebody please give me a little guidance on this subject? The splitter is very nearly finished, and I shall be a tad disappointed if I can't try it out.

    TIA

  2. #2
    Bronze Member
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    Jan 2012
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    81
    Location
    Mountaindale, Oregon
    Tractor
    Allis Chalmers ACD19, ACG; Kubota BX2200 FEL, B2710 FEL, L355SS FEL; Cat D47U, Ford 4600SU FEL

    Default Re: Power Beyond to run a log splitter on JD 1640

    If you route hoses from the splitter cylinder directly to this existing valve, it will work. If you intend to have a valve on the splitter then you cannot use this valve without modification. I installed an extension rod/handle from the existing remote valve to where it would be convenient when using the splitter. I don't have the auto return using this method.
    Dennis

  3. #3
    Member
    Join Date
    Dec 2012
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    Location
    Surrey, UK
    Tractor
    1981 JD1640, 1970 Ford 3000

    Default Re: Power Beyond to run a log splitter on JD 1640

    Dennis, thank you for your reponse. What you are saying is what I feared, although I am under the impression that this may vary with different makes and models.
    I understand, yes, I could run the splitter cylinder directly from the onboard valve, but that is a bit awkward on a tractor of this size, even with an extension to the valve control handle. However this may well be how I carry out my initial testing of the splitter.

    I think I need to find out how to connect an additional control valve, but one that can be connected part time.

  4. #4
    Advertiser kennyd's Avatar
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    Westminster, MD
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    John Deere 4110, 455

    Default Re: Power Beyond to run a log splitter on JD 1640

    It should work just fine, just use a rope or bungee to hold the valve on the tractor open so the fluid flows to the splitter mounted valve.

    This tractor may have a CC (closed center) hydraulic system, so if it does configure the splitter valve accordingly.
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

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  5. #5
    Elite Member Tx Jim's Avatar
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    Jan 2007
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    4,843
    Location
    North Texas
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: Power Beyond to run a log splitter on JD 1640

    I agree with Kenny that your 1640 has closed-center hyd's therefore the log splitter valve needs to be closed-center. As far as I remember JD utility tractors of that vintage had no true power beyond block but you could plumb log splitter valve similar to frt end loader valve if you didn't want to utilize the scv's.
    Attached Thumbnails Attached Thumbnails -wp1062_________un01jan94-gif   -tp5068_________un01jan94-gif  

  6. #6
    Member
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    Location
    Surrey, UK
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    1981 JD1640, 1970 Ford 3000

    Default Re: Power Beyond to run a log splitter on JD 1640

    Jim, were the FEL valves separate to the tractor's main services? Some parts in your diagram I recognise, but not all. What am I looking at, the additional FEL plumbing? I shall have to look under the JD with this drg to hand.

    Kenny, I understand what you say regards holding the SCV open, but how does a CC system affect the way I connect the splitter?

  7. #7
    Elite Member Tx Jim's Avatar
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    4,843
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    North Texas
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: Power Beyond to run a log splitter on JD 1640

    The hyd schematics I [posted are for a JD 145 frt loader valve that would work on a tractor similar to yours. This type plumbing is as close to power beyond that's available on a JD utility tractor. This setup will effeminate the need to power log splitter from the SCV's(rear remotes). Simply remove fitting(parts key #15 2nd photo) and install fitting(parts key #21 1st photo) for pressure oil and route return oil to the ported filter cover. Trying to operate an open-center hyd valve on a closed-center system causes the frt pump to run out of supply oil and start cavitating.

  8. #8
    Member
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    Dec 2012
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    Location
    Surrey, UK
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    1981 JD1640, 1970 Ford 3000

    Default Re: Power Beyond to run a log splitter on JD 1640

    Jim this is great info, many thanks. Are those parts diagrams from an online resource? I find parts manuals are often far better to study when trying to understand the workings of whatever you're looking at.
    My splitter valve was supplied to work from a dedicated engine and pump, so I'm guessing it is likely to be an open centre type.

  9. #9
    Advertiser kennyd's Avatar
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    John Deere 4110, 455

    Default Re: Power Beyond to run a log splitter on JD 1640

    Quote Originally Posted by mickeyw View Post
    Kenny, I understand what you say regards holding the SCV open, but how does a CC system affect the way I connect the splitter?
    You wouldn't hook it up any differently, but the new have can usually be configured either way CC, or OC (open center)-that must match your setup. You will have to confirm what you have, but I think its CC as mentioned.

    The parts pics are from www.jdparts.com and its free to register, it's the same system the parts counter guys use at the dealer. There is a quick little tutorial linked in my signature below if you need help with it. Just "think like a parts guy" to find stuff.
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

    Simple JDParts Tutorial HERE

    Visit our YouTube Channel

  10. #10
    Advertiser kennyd's Avatar
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    John Deere 4110, 455

    Default Re: Power Beyond to run a log splitter on JD 1640

    Quote Originally Posted by mickeyw View Post
    My splitter valve was supplied to work from a dedicated engine and pump, so I'm guessing it is likely to be an open centre type.
    ,

    Yes, most likely OC then. Who makes the valve? Are there any numbers on it? There may be a CC plug available for it.
    KennyD
    www.boltonhooks.com



    Bolt On Grab Hooks, Weld On Grab Hooks, Specialty Chain Accessories, Specialty Hydraulic Components.

    Simple JDParts Tutorial HERE

    Visit our YouTube Channel

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