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  1. #1
    Gold Member ctgoldwing's Avatar
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    Jun 2009
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    Central Connecticut
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    L3400HST

    Default Need troubleshooting suggestions - L3400 died

    So there I am in the middle of the woods doing a honeydoo project (cleaning a line for a large fenced in dog pen) when the tractor just dies. It acts like its out of fuel - cranks easily tries to start then nothing. Even though the gauge showed just less than 1/2 a tank I trudged up the hill & got some more diesel so now it has over 1/2 tank. Still no go - it turns over easily but its as if there is no fuel. . .

    Is it possible the small trees / brush I was clearing caught a fuel line? I didn't see anything leaking and the filter bowl has fuel in it. . .

    Where are the first places I should look?

  2. #2
    Silver Member Bear Foot Farm's Avatar
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    Jan 2010
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    188
    Location
    Eastern NC
    Tractor
    MF-175

    Default Re: Need troubleshooting suggestions - L3400 died

    Where are the first places I should look?
    The fuel filters is where I'd start

    Dorper Sheep and Maremma Sheepdogs
    [

  3. #3
    Super Member
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    Feb 2006
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    8,080
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    VA
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    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Need troubleshooting suggestions - L3400 died

    Probably water in the fuel filter.
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  4. #4
    Platinum Member
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    Feb 2004
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    937
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    15 mi. N. of Winchester VA
    Tractor
    CK30HST

    Default Re: Need troubleshooting suggestions - L3400 died

    Some electrical fuel cut-off or safety switch?

    Mike

  5. #5
    Veteran Member
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    Jul 2005
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    1,302
    Location
    lower part of Md.
    Tractor
    JD310, ASV RC-100

    Default Re: Need troubleshooting suggestions - L3400 died

    Ditto the fuel shutoff solenoid, probably located right at the pump. Follow the throttle cable, to something that looks similar to the pictured items. When the key is turned on, it should energize and retract.
    Attached Images Attached Images

  6. #6
    New Member
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    Jun 2009
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    11
    Tractor
    Kubota L3710

    Default Re: Need troubleshooting suggestions - L3400 died

    I had this happen to me last weekend, on a L3710 it turned out to be the mid PTO safety switch had tripped. I just turned the PTO on and off again and voila it works. I would also check for branches stuck underneath the tractor.

  7. #7
    Gold Member ctgoldwing's Avatar
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    Jun 2009
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    310
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    Central Connecticut
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    L3400HST

    Default Re: Need troubleshooting suggestions - L3400 died

    Great suggestions! Thanks they are all good starting points.

    It was too **** hot yesterday & I was too **** tired to start crawling under the machine but today is a new day

    Will let you know - I'm especially interested in looking at my pto (don't have a mid) - its possible the lever got knocked (how stupid would I feel)

  8. #8
    Super Member
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    Feb 2006
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    8,080
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    VA
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    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Need troubleshooting suggestions - L3400 died

    Dont the safety switches prevent cranking? ... My understanding is it cranks but wont fire. A fuel issue.
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  9. #9
    Gold Member ctgoldwing's Avatar
    Join Date
    Jun 2009
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    310
    Location
    Central Connecticut
    Tractor
    L3400HST

    Default Re: Need troubleshooting suggestions - L3400 died

    Quote Originally Posted by SPYDERLK View Post
    Dont the safety switches prevent cranking? ... My understanding is it cranks but wont fire. A fuel issue.
    larry
    I'm leaning towards a fuel issue - I zipped home for lunch today & made my way into the woods - The pto lever was partially forward (ahh hope) - I engaged it, disengaged it, no love.

    I'm going to try again this evening - I'll find the fuel solenoid to see that it still has wires attached and then drain the filter bowl. I really don't think its a water problem. Not only is the machine kept indoors, it is conditioned air (basement garage) - but anything is possible.

  10. #10
    New Member
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    Jul 2010
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    Location
    Western Washington
    Tractor
    S470 Satoh Buck & 18hp JD Sabre

    Default Re: Need troubleshooting suggestions - L3400 died

    I would start by seeing if you have fuel flow. If not then check for power at your pump. you should have 12vdc at the solenoid and at the pump itself.
    I hope this helps.

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