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  1. #1
    New Member
    Join Date
    Jun 2005
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    12
    Location
    Central Wisconsin
    Tractor
    New Holland TC33

    Default Power Steering Cylinder

    Reading the archieves, it would seem I am not the first to bend the rod on my power steering cylinder. I am trying to take it off to bring it to a rebuild shop as NH wants $487 for a new one.

    Problem is this - the cylinder is hanging by the hydraulic lines and I cannot loosen them from the cylinder with a normal size wrench. Before I get out the cheater, I wanted to ask if anyone knows if this might be a reverse thread?

  2. #2
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
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    4,786
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: Power Steering Cylinder

    I am sure you have normal right-hand-thread hyd connections.
    Most modern CUTs use a 37-degree JIC compression fittings, but
    I have no personal experience with NH (Shibaura) machines.
    Water gets into the threads and causes corrosion....they do not
    need to be torqued down tremendously tight.

    A slightly bent rod can be repaired, or a hyd shop can make a new
    rod for you for maybe $100.

  3. #3
    Gold Member
    Join Date
    Jun 2007
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    425
    Location
    Northern West Virginia
    Tractor
    JD

    Default Re: Power Steering Cylinder

    Quote Originally Posted by dfkrug
    Most modern CUTs use a 37-degree JIC compression fittings
    With one minor exception (John Deere). Grrr....

  4. #4
    Gold Member
    Join Date
    Jun 2007
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    425
    Location
    Northern West Virginia
    Tractor
    JD

    Default Re: Power Steering Cylinder

    I think it's safe to say that left-hand threads are used only on things that
    • normally rotate in a counter-clockwise direction (e.g. lug nuts on the left side of some cars)
    • some gas fittings (to prevent incorrect connections)
    • one end of a turnbuckle

    So as dfkrug stated, your hydraulic fittings are normal right-hand thread.

    I once spent a lot of effort trying to loosen a bolt on the back end of the engine in a '57 Chevy. I gave up, ate lunch, and then realized that the bolt was threaded toward me. Duh. I was much younger then and had energy to spend.

    tractorpilot apparently has already had that experience and that's why he/she's posting this question.

  5. #5
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
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    4,786
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    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: Power Steering Cylinder

    Quote Originally Posted by TedLaRue

    I once spent a lot of effort trying to loosen a bolt on the back end of the engine in a '57 Chevy. I gave up, ate lunch, and then realized that the bolt was threaded toward me. Duh. I was much younger then and had energy to spend..
    Good list, Ted.

    I ran into a left hand thread on a shaft inside a transmission once, but
    it WAS Italian. Ruined it trying to get it off.

    My JDs used compression fittings. Can't recall if they were metric
    or -4 JIC on the FEL. My older Kubotas used a metric comp fitting.
    My Kioti uses the only -5 size JICs I have ever run into.

  6. #6
    New Member
    Join Date
    Jun 2005
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    12
    Location
    Central Wisconsin
    Tractor
    New Holland TC33

    Default Re: Power Steering Cylinder

    Thank you for the feedback - I bounced this question off of our maint supv where I work - he used to work for a JD dealer. After giving me a load of crap about buying blue, he told me to forget about the joint at the cylinder and go after the swivel joint up above. Two wrenches and a cut knuckle later, I had the cylinder on the bench where I could get some leverage on the fitting - new hoses will be the result. Now if they can straighten the rod. Thanks again.

  7. #7
    Elite Member
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    Oct 2000
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    3,054
    Location
    Windham County, Conn
    Tractor
    Ford 2120 , New Holland TN75D, Hitachi UH083LC Excavator

    Default Re: Power Steering Cylinder

    After you straighten the rod, weld a piece of angle iron to it to strenghten it. I bent my 1710 and 2120 tierods a few times but one I did that I've run for years without so much as a hickop. Don't worry about adjusting the length anymore. Once it is set you can just fix it to that length.

    Andy

  8. #8
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
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    NorCal
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    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: Power Steering Cylinder

    Quote Originally Posted by AndyMA
    After you straighten the rod, weld a piece of angle iron to it to strenghten it. I bent my 1710 and 2120 tierods a few times but one I did that I've run for years without so much as a hickop. Don't worry about adjusting the length anymore. Once it is set you can just fix it to that length.

    Andy

    He is referring to his power steering hydraulic cylinder rod. Not all tractors
    use a cylinder(s) to operate the power steering.

  9. #9
    New Member
    Join Date
    Apr 2013
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    3
    Location
    Warrenton Mo.
    Tractor
    Ford 4600

    Default Re: Power Steering Cylinder

    Hey pilot, I don't know what size tractor you have but on my 4600 I had the rod straightened count em, 3 times. I found I could buy a new cylinder from Mid South Tractor Parts in Decator Alabama for $100.00 plus shipping. The phone number is (256)353-5661. Lee Taylor is the owner I think. He is the one who helped me.

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