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  1. #31
    J_J
    J_J is online now
    Super Star Member J_J's Avatar
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    15,789
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    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: True Third Function- factory or do it myself

    A new handle on the joystick with a water proof momentary switch on it.
    J.J.

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

    Git er done.

  2. #32
    Veteran Member
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    Jun 2004
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    1,659
    Location
    Northeast MA
    Tractor
    Kubota B3200 with BH77 backhoe, Kubota B50 SSQA w/ 54" & 60" buckets, LandPride FDR1660

    Default Re: True Third Function- factory or do it myself

    Quote Originally Posted by J_J View Post
    A new handle on the joystick with a water proof momentary switch on it.
    As I read thru the thread I saw the parts diagram he posted and it shows that. I should have read a little further on before posting questions.

  3. #33
    Gold Member paulwestski's Avatar
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    Mar 2011
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    289
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    VA Beach & Amherst, VA
    Tractor
    Kubota L4240

    Default

    Quote Originally Posted by J_J View Post
    All the ports on a subplate are capable of about 5000 psi.

    You can insert the 3ed function valve anywhere after the FEL valve, but before the 3pt valve.

    The 3ed function T port can go to tank if that is your only valve or last valve in the hyd circuit.

    Any action you do with the 3ed function, will be reflected in the FEL valve relief.

    You can also insert a relief valve anywhere in the hyd circuit for protection of a cyl or motor, etc..
    JJ
    To clarify....

    "The 3ed function T port can go to tank if that is your only valve or last valve in the hyd circuit."

    In my build the 3rd function would be before the three point connection.
    So the "T" port from the third function sub plate would feed the three point valve???
    Power beyond to the three point valve?

    Thanks again for all of your patience answered everyone's questions. It's greatly appreciated!!!
    Kubota L4240 HST+ R-4's,

  4. #34
    Gold Member paulwestski's Avatar
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    Mar 2011
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    289
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    VA Beach & Amherst, VA
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    Kubota L4240

    Default

    Quote Originally Posted by avc8130 View Post
    I'm with the OP. For the money, I would just buy the OEM kit. The integration is PERFECT and hard lines are employed along the loader. For the same money as an aftermarket setup I just don't see any reason to go with the aftermarket setup.

    That being said...one of these days I'm going to do my own from Surplus Center for ~1/2 price.

    ac
    I wish I could go that route but the factory kits are on a three week back order $900.00 installed.
    I can do it myself for $370.00 in parts......granted that I have new leftover parts from other builds....bulkhead fittings, quick connects, SAE/ORB, JIC fittings, hose covering etc.
    Kubota L4240 HST+ R-4's,

  5. #35
    Gold Member paulwestski's Avatar
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    VA Beach & Amherst, VA
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    Kubota L4240

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    Quote Originally Posted by jim_wilson View Post

    I'd very interested to know where you're finding all of the parts diagrams for this. I'm trying to figure out exactly how to do the same thing on my B3200 ( add a true third function, instead of just a diverter) - and as part of the investigation I'd like to see how it's done on the L4240
    The B3200 should be fairly easy.
    The L4240 hydraulic plumbing is similar to the B series.
    For parts diagrams just go to the kubota website and search parts diagrams.
    Do you have a factory backhoe?
    Kubota L4240 HST+ R-4's,

  6. #36
    Gold Member paulwestski's Avatar
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    VA Beach & Amherst, VA
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    Kubota L4240

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    Quote Originally Posted by jim_wilson View Post

    Where does the PB go on your tractor "normally"? On mine it would go either to the backhoe - or directly to the 3pt.

    From your description it sounds like the solenoid valve might have been installed in the line that normally goes to the 3pt - so now when you want to use the 3rd function you're "diverting" the fluid that would be going there - to the 3rd function instead.

    If so- it sounds like you've the same type of setup on your tractor I was thinking of installing on mine - if possible would you be able to get any info off of the valve that solenoid valve you're talking about?
    The valve is at Surplus center

    http://www.surpluscenter.com/item.as...name=hydraulic

    You also would need the sub plate for the valve and the wiring connectors
    Kubota L4240 HST+ R-4's,

  7. #37
    Gold Member paulwestski's Avatar
    Join Date
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    Kubota L4240

    Default Re: True Third Function- factory or do it myself

    Quote Originally Posted by paulwestski View Post
    JJ
    To clarify....

    "The 3ed function T port can go to tank if that is your only valve or last valve in the hyd circuit."

    In my build the 3rd function would be before the three point connection.
    So the "T" port from the third function sub plate would feed the three point valve???
    Power beyond to the three point valve?

    Thanks again for all of your patience answered everyone's questions. It's greatly appreciated!!!
    JJ
    Here's a diagram of the sub plate.
    I added the comment boxes indicating my understanding how the flow of the valve should be.
    Is my interpretation correct????????

    Thanks for all of your wonderful advice Sir.

    True Third Function- factory or do it myself-subplate-v2.jpg
    Kubota L4240 HST+ R-4's,

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