JD 650 with 67 loader Hyrdaulic Leak
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    JD 650 with 67 loader Hyrdaulic Leak

    I have a very slow leak and it appears to be coming from one of the connectors where it connects to the SCV (I believe that is the correct term, newbie here). I am going to apply some sealant tonight and see if that stops the leak. I was wondering if there are O rings in this connector in one or both ends that could be bad also. I can't find any detailed information to determine this and though I would ask the forum. I would think there would be one in the receptacle that has the knurled ring. If so, are they easy to replace? Not much of a mechanic, but I try hard.


    Thank you for your time.

    DreaminMan in Maine

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    Superglidesport's Avatar
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    Clean it off good to make sure you know where the leak is coming from. It may be leaking from the female quick coupler and internal O-rings are available and easily replaceable. I believe the fitting adapter that screws into the SCV also has an O-Ring seal on it. When in doubt, take it apart and find out!!

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    Senior GTT Super Slacker Gizmo2's Avatar
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    Maybe you can post a picture?
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    Keith

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    felixm22's Avatar
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    ^^^^^ What they have said. There many different type of hydraulic connections. Many do not use any sealer. I would hose the area with a good degreaser and run it a little bit. If there is a quick coupler near by you could just be seeing the little bit of oil that leaks where the couplers are decoupled. Hydraulic fluid is much like diesel fuel and will spread out over time so it can be hard to tell the true source until it is cleaned up


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    Great information, guys thank you. I will take your advice and clean it up tonight and see if I can find where the leak is coming from precisely. I believe it is coming from the female part of the connection. It is going to be very difficult to find because when watching it I can not see it drip, it show up after sitting for a while. I will post some pics tonight and see what you guys think. Thanks for the help, it is greatly appreciated

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    Senior GTT Super Slacker Gizmo2's Avatar
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    Dreaminman, Do you relieve the pressure off the hydraulics when you park the tractor?
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    Keith

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    felixm22's Avatar
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    You can use flower to help trace the leak. After you clean up the connections sprinkle the flower over them. It will help to visualize where it is coming from.


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    Gizmo2 - No I don't usually release the pressure on the hydraulics when done for the day. I guess I probably should do that, it never occurred to me.

    Felixm22 - Flour is a great idea, I'll do that tonight after the cleanup,

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    GTT's Pilot in Command (PIC) farmgirl19's Avatar
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    Be careful if working around the hydraulics when there is pressure. Injury can happen quickly if the fluid hits your skin under pressure. It might not appear bad at the time, but seek medical help if it happens! So yes, flour is a great option to try to find the leak.
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    Captain Hook Kennyd's Avatar
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    Quote Originally Posted by felixm22 View Post
    You can use flower to help trace the leak. After you clean up the connections sprinkle the flower over them. It will help to visualize where it is coming from.


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    I think you mean flour...must be your phone!
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