John Deere 455
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Thread: John Deere 455

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    John Deere 455

    Have a john deere 455 I have a question about the hydraulic valve lock out I believe when I thread in it should shut off rear rocker shaft but when I thread in it drips oil is there some sort of oring inside or is this a non serviceable Item thanks for help

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    flyweight's Avatar
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    Operate mower deck or rear implement lift: Turn T-handle (A) counterclockwise until tight.

    Operate front hitch/attachments: Turn T-handle (A) clockwise until it is bottomed out.

    If it is leaking at the NUT(behind the T-Handle), there should be a O-Ring & back-up ring. You may be able to purchase locally(parts store).



    If mower deck is attached, lower it to the ground.
    Shut off engine; and relieve the hydraulic pressure by moving the lift lever back & forth.
    Place a drain pan under the valve to catch any oil.
    Loosen and remover the nut behind the T-handle, as you're turning it counter-clockwise.
    Replace the O-ring/back-up ring, and re-install.
    etcallhome and xcopterdoc like this.
    Michael

    2019 JD Z540R 54" cutting deck w/MulchControl™
    1984 JD 750
    1971 JD 15 Chainsaw ← hasn't run since ~1975

    Also have a bunch of other stuff.
    ---------------------------------------

    " If there's no one around to smell me, do I really stink"? - John Wells - Brewster County, West Texas.









  4. The Following User Says Thank You to flyweight For This Useful Post:

    jeffsa22 (01-09-2016)

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    Thanks

    That is very helpful I will not get to any more this weekend but I believe that should solve problem will keep posted just wasn't sure if it was oring or bottomed out

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    Oring

    Good afternoon took part oring looks like a flat one and backup washer has a split by looks of pics yours also does to suppose oring just looks flat from being old or should it be a flat washer thanks for your time

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