Backhoe repair...
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    Backhoe repair...

    I have a 2320 with a 46 backhoe... great machine, we worked it hard over the last year on a home renovation... we are all moved in and now the landscaping work begins... I removed the hydro cylinder from a stabilizor because it was leaking... and brought it to the JD dealership for repair.

    The question for this esteemed group... when the backhoe is mounted, do I have to bleed the hydro system at all? Or does the hydro fluid re-enter the cylinder and the air somehow bleeds out a valve of some sort... I have no clue how it works...

    Thank you in advance... Andrew

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    Senior GTT Super Slacker Gizmo2's Avatar
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    I assume you are talking about after you reinstall the cylinder?
    Just reinstall it, cycle it a couple times and you should be good to go. If it were me I'd cycle all the hydraulics on the BH.
    Keith

    JD 2320, 200CX FEL/61" bucket , 46 BH/16" bucket, Artillian Forks, 72" Snow Blade, Landscape Rake, Ballast Box, PHD,
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    Captain Hook Kennyd's Avatar
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    Yes, like Giz wrote the hydraulics are self-bleeding so all you have to do is cycle the controls several times. Resealing a cylinder is really easy, why did you send it to the dealer?
    Kenny

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    Senior GTT Super Slacker Gizmo2's Avatar
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    Quote Originally Posted by Kennyd View Post
    Yes, like Giz wrote the hydraulics are self-bleeding so all you have to do is cycle the controls several times. Resealing a cylinder is really easy, why did you send it to the dealer?
    I had the same question. Maybe it's still under warranty?
    Keith

    JD 2320, 200CX FEL/61" bucket , 46 BH/16" bucket, Artillian Forks, 72" Snow Blade, Landscape Rake, Ballast Box, PHD,
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    rgd
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    This brings up a question Ive thought on in the past. How does the air purge out?
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    Senior GTT Super Slacker Gizmo2's Avatar
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    Quote Originally Posted by rgd View Post
    This brings up a question Ive thought on in the past. How does the air purge out?
    I would assume the air goes back to the tank and escapes through the vent. Kennyd could probably confirm this.
    Keith

    JD 2320, 200CX FEL/61" bucket , 46 BH/16" bucket, Artillian Forks, 72" Snow Blade, Landscape Rake, Ballast Box, PHD,
    BX42 Chipper, XUV 560 Gator, Z915B ZTrak

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    rgd (08-27-2012)

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    Tomfive's Avatar
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    Quote Originally Posted by rgd View Post
    This brings up a question Ive thought on in the past. How does the air purge out?
    Quote Originally Posted by Gizmo2 View Post
    I would assume the air goes back to the tank and escapes through the vent. Kennyd could probably confirm this.
    Hydro oil eventually goes back to the sump, which is vented to atmosphere, just like your engine crankcase, then drawn near the bottom to the hydro pump(s).
    Tom

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    Captain Hook Kennyd's Avatar
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    Yes, it goes back to the tank. Air can also be pushed past the seals whereas hydro fluid cannot if they are in good shape.
    Kenny

    -John Deere 3720 Deluxe Cab TLB
    FEL, MMM, Artillian 42" Forks and Modular Grapple, I-Match, Ballast Box, and lots of other STUFF.
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    rgd (08-22-2012)

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    Wow... thank you for the helpful replies... appreciate it...

    I sent it to the JD dealer because I have no idea how to fix the seal... and the JD dealer is a few miles from work...

    Thanks again,

    Andrew

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    Doesn't sound right, but JD dealer quoted a new cylinder @ $620... I would have guessed $100.

    To repair it? $220.

    Bummer... just FYI for all, and just to replace a leaky seal... have to buy the whole rebuild kit...

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