2017 2038r dual rear scv with single acting cylinder
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Thread: 2017 2038r dual rear scv with single acting cylinder

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    Petemacm's Avatar
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    2017 2038r dual rear scv with single acting cylinder

    Hey all,
    Can anyone help me , i just installed the dual rear scv kit on my 2038r(2017) and i am trying to function a single acting hydraulic top link and i have tried all 4 ports and both leavers each way , none stroke the cylinder open but if i pull the rod out a few inches they will stroke it closed, should i be running this on bank 1 or 2 ? Continuous flow on if on bank 1 or no? Is the cylinder built wrong? Or am i misunderstanding, the hydraulic port is at the rod end of the cylinder, it came with a cement mixer,any advice would be great i know nothing about hydraulics, thanks

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    Captain Hook Kennyd's Avatar
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    Welcome.
    I've never seen or heard of a SA top link cylinder, can you post a picture of it so we ca see what you have?

    In theory, any of the connections should work to opers a SA cylinder but you will need force to retract the cylinder while holding the control in the opposite direction.
    Kenny

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    theduke's Avatar
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    I was just looking at those mixers yesterday.

    Yep...gravity to dump....the cylinder pulls mixer back up.

    1 hose.



    Last edited by theduke; 07-07-2019 at 02:07 PM.
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    Dan


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    Captain Hook Kennyd's Avatar
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    Duke has your answer, I missed the part about the cement mixer.
    Since the hose is at the rod end, you can only power retract the cylinder, which is exactly what you said it will do if you pull it open some.
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    Kenny

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    It would work but I don’t like single acting cylinders for one reason. Any oil that seeps past the piston will come out of the vent at the end of the stroke. Sure you can put an elbow on it but it comes out very fast and I just hate getting splattered with hydraulic oil.
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    theduke's Avatar
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    Hmmmm

    since it has a vent...couldn't you plumb in a fitting for the "other" hose.

    Just spitballing......
    Dan


    JD 955 ,70A loader, 60" mmm , Original I-match ,4' woods B hog , 5' Box blade , 12' orchard plane/driveway grader ,various other doo-dads & homebuilt implements. Goossen BFBlower, JakeRake..this thing is different.
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    Quote Originally Posted by Petemacm View Post
    Hey all,
    Can anyone help me , i just installed the dual rear scv kit on my 2038r(2017) and i am trying to function a single acting hydraulic top link and i have tried all 4 ports and both leavers each way , none stroke the cylinder open but if i pull the rod out a few inches they will stroke it closed, should i be running this on bank 1 or 2 ? Continuous flow on if on bank 1 or no? Is the cylinder built wrong? Or am i misunderstanding, the hydraulic port is at the rod end of the cylinder, it came with a cement mixer,any advice would be great i know nothing about hydraulics, thanks
    Does your link cylinder have two hose connections? For in and out it needs two

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    Captain Hook Kennyd's Avatar
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    Quote Originally Posted by theduke View Post
    Hmmmm

    since it has a vent...couldn't you plumb in a fitting for the "other" hose.

    Just spitballing......
    Depends on how the cylinder and seals are made, sometimes it's a standard DA cylinder with just a vent in the one port, but sometimes the rod end and wiper seals are not made to hold any pressure.
    Herminator likes this.
    Kenny

    -John Deere 3720 Deluxe Cab TLB
    FEL, MMM, Artillian 42" Forks and Modular Grapple, I-Match, Ballast Box, Trac-Vac 854 (for sale) and lots of other STUFF.
    -John Deere 455 w/60" MMM


    Bolt on Grab Hooks and other cool stuff are now for sale!!

    Visit our YouTube Channel

    My Equipment:
    John Deere 3720 Deluxe Cab, 300cx FEL, 366 Front Blade, 59" Front Snowblower, Ballast Box
    Artillian 3K Forks, Grapple, Front-Hoe Bucket
    John Deere 455, 60" MMM

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