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  1. #1
    New Member
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    May 2011
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    2
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    ford jubilee

    Default hydraulic problems on ford jubilee

    I have a Ford Jubilee and replaced the original single acting front lift cylinders with new double acting cylinders with vent plugs in the return ports.This was app. 5 yrs. ago & they were working good until recently.Now, one cylinder intermittently blows the vent cap off & blows oil out (it's always the same cylinder).I was wondering if anybody has an idea what would be causing this?I'm assuming something must be wrong inside the cylinder.Any ideas would be appreciated. Thanks

  2. #2
    Bronze Member bulldogshotgun's Avatar
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    Feb 2013
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    SW, Ohio
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    Kubota B2150, IH TD6

    Default Re: hydraulic problems on ford jubilee

    its leaking oil past the piston, you may have it rebuilt ,or replace the seals yourself depending on the type of cylinder it is.

  3. #3
    Gold Member
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    Oct 2010
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    Default Re: hydraulic problems on ford jubilee

    its leaking oil past the piston,
    Yep. That's the downfall of using vents, it'll suck in moisture and eventually it'll start leaking due to corrosion of the barrel. If you can, instead of vents take the port and run a line back to the hydraulic tank below the oil if you can, that way the cylinder is always full. It might slow the cycle time down a bit depending on the size of the line but it'll keep crap out of the cylinder. .....Mike

  4. #4
    Super Star Member J_J's Avatar
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    Sep 2003
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    16,711
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    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: hydraulic problems on ford jubilee

    You should not have any fluid on the vent side of the cyl.

    If you do, then the seals are worn, or the cyl barrel is corroded or both.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  5. #5
    Veteran Member
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    Sep 2007
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    Doniphan, Mo.
    Tractor
    Kubota L4240, B7800 & BX2660

    Default Re: hydraulic problems on ford jubilee

    Quote Originally Posted by mrmikey View Post
    Yep. That's the downfall of using vents, it'll suck in moisture and eventually it'll start leaking due to corrosion of the barrel. If you can, instead of vents take the port and run a line back to the hydraulic tank below the oil if you can, that way the cylinder is always full. It might slow the cycle time down a bit depending on the size of the line but it'll keep crap out of the cylinder. .....Mike
    That's a good ideal.

  6. #6
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
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    16,711
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: hydraulic problems on ford jubilee

    Why not fix the problem.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  7. #7
    Veteran Member
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    Sep 2007
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    Doniphan, Mo.
    Tractor
    Kubota L4240, B7800 & BX2660

    Default Re: hydraulic problems on ford jubilee

    He's talking with a good cyl.

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