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  1. #1
    Platinum Member
    Join Date
    May 2007
    Posts
    846
    Location
    eastern PA-lower Poconos
    Tractor
    JD2320 w/R4 $21,100 w/7.16%off

    Default JD2320 How do I relieve the pressure on the BH hydraulic hoses

    I'm doing a first time, by myself, hookup of the BH and I don't want hydraulic fluid squirting out when I disconnect that line.

    Along the same line, after I shut down I understand that I should move the bucket control in all directions to drop the pressure in those lines. Also I should drop the BB rear control to minimum in order to relieve the rear line pressures.
    Is that right?
    Eastern PA -JD2320 w/R4; 200CX w/61" bucket & Markham toothbar or JD adj forks; 46BH w/16", Imatch, ballast box & York rake-blade-scarifer, 54" front plow and trailer receiver. Case 580K w/fel+bh, mule 610XC

  2. #2
    Silver Member
    Join Date
    Jul 2006
    Posts
    161
    Location
    Near Rochester NY
    Tractor
    JD2520 and JD455

    Default Re: JD2320 How do I relieve the pressure on the BH hydraulic hoses

    greetings ragkar,

    Not sure what you mean by the "BB rear control", but if you mean the 3 point lift control I set that to max height setting on the control lever on my 2520 after I remove the 3 point arms. That puts the rockshaft lift arms up out of the way when you go to mount the backhoe (I'm assuming you have a 46BH like mine). Since your backhoe lines are part of the open center hydraulic system of the tractor I believe cycling the bucket loader controls around is all you need to do to relieve line pressure. That works fine for me. I don't get fluid squirting out, but I do get a few drips so I recommend having a rag handy. Hope this helps.
    Hemiguy

  3. #3
    Super Member JerryG's Avatar
    Join Date
    Apr 2000
    Posts
    7,171
    Location
    Northwest Arkansas
    Tractor
    MF 1440-4 PowerShuttle

    Default Re: JD2320 How do I relieve the pressure on the BH hydraulic hoses

    Quote Originally Posted by ragkar
    I'm doing a first time, by myself, hookup of the BH and I don't want hydraulic fluid squirting out when I disconnect that line.
    Hydraulic quick connectors have a poppet shut off valve in each half. When they are disconnected, both sides are sealed off.

  4. #4
    New Member
    Join Date
    Jan 2007
    Posts
    22
    Location
    Sunshine Coast, Australia
    Tractor
    JD2520

    Default Re: JD2320 How do I relieve the pressure on the BH hydraulic hoses

    before you disconnect or connect any hoses, cycle through all of the hydraulic controls with motor switched off. This relieves any pressure in the system, but you should do it for all controls.

    BTW : when parking backhoe don't forget to put back in the pin to keep the arm from sagging down.

  5. #5
    Platinum Member Chris2520's Avatar
    Join Date
    Mar 2007
    Posts
    779
    Location
    Marietta GA.

    Default Re: JD2320 How do I relieve the pressure on the BH hydraulic hoses

    ya , like everyone says. just turn tractor off , and wobble sticks
    around a bit. and all presure will be gone. slide a rag under power
    beyond to catch dribble. and your set....

    Chris....
    John Deere 2520 , R4's , 200CX loader with 61 inch bucket and JD Tooth Bar. And Markham 7 tooth. Tooth bar. 46 Backhoe with 16 inch bucket. with Custom made Street Flip pads off a 448 hoe. Foward work lights. Dual rear work lights. Heavy duty Alternator. I-Match , Ballast Box , Frontier BB2060 box blade , Frontier pallet Forks , JD 3 point reciever hitch. and soon A lot more.. and for grass cutting , John Deere GX 255 with 48 inch deck.

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