John Deere 3720 Rear Hydraulics
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Thread: John Deere 3720 Rear Hydraulics

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    John Deere 3720 Rear Hydraulics

    Hi

    Hoping someone can help me with a small issue i have.

    Recently purchased a JD 3720 for my paddock maintenance business. I have purchased a range of attachments including a post knocker. Its a Oxdale and only requires one hydraulic line. All works the way it should but when raising the weight, it goes up too fast, there fore the weight bounces on the rope and occasionally snaps. My question is, how do i slow the rate of hydraulic pressure so it goes up nice and slowly instead of it bouncing.

    Thanks in advance.

    Dom

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    Captain Hook Kennyd's Avatar
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    Dom,
    You can add a restrictor inline with the one hose to slow it down, but then it might not lower as fast reducing it effectiveness. The pounders I've seen from Shaver use a separate unrestricted dump line to exhaust fluid back to the tank.
    Gizmo2 and keefus like this.
    Kenny

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    Neb
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    If it is indeed a single line, and you only want to control the hydraulic flow in one direction, and have an unrestricted flow in the opposite direction, a valve such as this one will work well for you: https://www.surpluscenter.com/Hydrau...L-9-7960-4.axd
    This valve has 1/4 pipe thread connections, but their site also has one with 3/8 pipe thread.

    Ken
    Last edited by Neb; 08-28-2017 at 07:51 AM.
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