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  1. #1
    Member
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    Aug 2009
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    Caledon, Ontario, Canada
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    Kubota B2920, Kioti CK35 HST, MF-205

    Default help hook up for 3 ph forklift

    Hi so I bought this quite old 3 ph forklift attachment and to my surprise it has 3 quick connect houses my tractor has only 2outlets available on the back, the picture follows the first spool controls the top link no questions there the second spool is problem since the ram cylinder on the forklift part has only one connection on the bottom that would make it act as a single port cylinder so my question is what is the second hose with the quick connect for?? how can I make it in to 2 port system, valves are by star hydraulic can't find any info on them on the net any help would be greatly appreciated

    Paul.W
    help hook up for 3 ph forklift-hydro-done.jpg

  2. #2
    New Member
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    Apr 2013
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    7
    Location
    Southwestern New York
    Tractor
    Kubota L4400 , Belarus 800M

    Default Re: help hook up for 3 ph forklift

    Does the fork lift have side to side hydraulic movement?

  3. #3
    Elite Member Tx Jim's Avatar
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    Coyote Flats,Tx
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    JD 4255/Kubota M7040 HDC

    Default Re: help hook up for 3 ph forklift

    The fork lift should operate fine without attaching the quick disconnect to anything. The only thing I can think of for the quick disconnect to attach is a hose to sump for return oil but when spool is moved to let down forklift hyd oil would also be going to sump under hyd pump pressure.

  4. #4
    Member
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    Aug 2009
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    Caledon, Ontario, Canada
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    Kubota B2920, Kioti CK35 HST, MF-205

    Default Re: help hook up for 3 ph forklift

    No side movment

  5. #5
    Member
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    Aug 2009
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    Location
    Caledon, Ontario, Canada
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    Kubota B2920, Kioti CK35 HST, MF-205

    Default Re: help hook up for 3 ph forklift

    Someone also told me that this should work without hooking it up I was afraid I will damage the pump if there is no return and the pressure will keep building up but there is a pressure relief valve on the spool so it should be OK I will try that and let you know Thank You

    Paul.W

  6. #6
    Super Member
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    Mar 2008
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    9,465
    Location
    Northern Fingerlakes region of NY, USA
    Tractor
    Kubota L3830GST, B7500HST, BX2660

    Default Re: help hook up for 3 ph forklift

    Quote Originally Posted by Tx Jim View Post
    The fork lift should operate fine without attaching the quick disconnect to anything. The only thing I can think of for the quick disconnect to attach is a hose to sump for return oil but when spool is moved to let down forklift hyd oil would also be going to sump under hyd pump pressure.
    That is how I see it as working. A way to drop the forks quicker.

    Aaron Z
    A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
    Robert Heinlein, Time Enough for Love

  7. #7
    Member
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    Aug 2009
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    Location
    Caledon, Ontario, Canada
    Tractor
    Kubota B2920, Kioti CK35 HST, MF-205

    Default Re: help hook up for 3 ph forklift

    So I hooked up everything top link works perfect the carriage for the fork lift goes up but it stays there moving the spool handle backwards makes the hose jump a bit but nothing happens
    Paul

  8. #8
    Veteran Member Xfaxman's Avatar
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    Meridian, OK
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    Toolcat 5610 F. Bobcat V417 Versahandler. TORO+Loader

    Default Re: help hook up for 3 ph forklift

    Quote Originally Posted by wpala View Post
    So I hooked up everything top link works perfect the carriage for the fork lift goes up but it stays there moving the spool handle backwards makes the hose jump a bit but nothing happens
    Paul
    Which hose jumps?

    Need pictures. Show valve and hoses. What does the top of the lift cylinder have on it?

  9. #9
    Veteran Member Xfaxman's Avatar
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    Meridian, OK
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    Toolcat 5610 F. Bobcat V417 Versahandler. TORO+Loader

    Default Re: help hook up for 3 ph forklift

    I looked at your first picture, I think the quick disconnect has to go to the return line to the reservoir. You can put a tee with a matching QD any where in the return line.

    How and where are the in/out hoses connected?

    help hook up for 3 ph forklift-hydro-done.jpg

  10. #10
    Elite Member Tx Jim's Avatar
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    JD 4255/Kubota M7040 HDC

    Default Re: help hook up for 3 ph forklift

    Quote Originally Posted by wpala View Post
    So I hooked up everything top link works perfect the carriage for the fork lift goes up but it stays there moving the spool handle backwards makes the hose jump a bit but nothing happens
    Paul
    Did you attach the breakaway coupler to dump into sump on the hose that was on the valve??

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