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  1. #1
    New Member
    Join Date
    Sep 2011
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    14
    Location
    dunham, quebec
    Tractor
    L3800 FEL, HST, backhoe

    Default My engine stops for no reason

    I own a brand new kubota L3800 and the engine stops often as soon as I get off the tractor seat. I tried everything, putting it on neutral (it's a HST), pushing the HST pedal. My Kubota dealer told me that the problem was a malfunctionning sensor and ォadjustサ it but didn't think it need to be replaced. Does anyone experienced this kind of problem on any Kubota tractor? My tractor has a FEL and a backhoe.

  2. #2
    Elite Member blueriver's Avatar
    Join Date
    Oct 2007
    Posts
    4,991
    Location
    S.E.Oklahoma
    Tractor
    JD 5520 Montana 4340 Farmall Super A Montana 5720C

    Default Re: My engine stops for no reason

    Just a quess ... a safety switch under the seat that shuts the tractor down when you get off?
    "Throwing a rock at every rabbit that jumps"

    sales@caneyagequipment.com

  3. #3
    New Member
    Join Date
    Sep 2011
    Posts
    14
    Location
    dunham, quebec
    Tractor
    L3800 FEL, HST, backhoe

    Default Re: My engine stops for no reason

    This switch detects if your on the seat or not but it's not like a garden tractor that turns the engine off when the operator get off the seat. The security reason is to prevent the oparator to be hit by something which is not the case. I think this switch doesn't work well.

  4. #4
    Elite Member blueriver's Avatar
    Join Date
    Oct 2007
    Posts
    4,991
    Location
    S.E.Oklahoma
    Tractor
    JD 5520 Montana 4340 Farmall Super A Montana 5720C

    Default Re: My engine stops for no reason

    Can it be by passed ??
    "Throwing a rock at every rabbit that jumps"

    sales@caneyagequipment.com

  5. #5
    Veteran Member
    Join Date
    Oct 2010
    Posts
    1,277
    Tractor
    NHtd75

    Default Re: My engine stops for no reason

    Have you tried setting the parking brake before leaving the seat?

  6. #6
    Epic Contributor
    R.I.P.
    jinman's Avatar
    Join Date
    Feb 2001
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    21,014
    Location
    Texas - Wise County - Sunset
    Tractor
    NHTC45D, NH LB75B, Ford Jubilee

    Default Re: My engine stops for no reason

    Quote Originally Posted by guy gagnon View Post
    This switch detects if your on the seat or not but it's not like a garden tractor that turns the engine off when the operator get off the seat.
    Well, yes it is just like a garden tractor if it works like most tractors. I suggest setting the parking brake with the transmission in neutral just as SandburRanch suggested.
    Jim


  7. #7
    New Member
    Join Date
    Sep 2011
    Posts
    14
    Location
    dunham, quebec
    Tractor
    L3800 FEL, HST, backhoe

    Default Re: My engine stops for no reason

    No but I will. Dealer told me that it was not related but hey.. these guys are not perfect... Thanks

  8. #8
    Elite Member teg's Avatar
    Join Date
    Jul 2005
    Posts
    4,692
    Location
    Raleigh, NC Hillsville, VA
    Tractor
    L2800 - HST

    Default Re: My engine stops for no reason

    The seat safety switch only kills the engine when the PTO is engaged. Is the PTO off? That might be the sensor that needs to be adjusted.

    There are no safety switch for the parking brake.

    If the PTO needs to be used when you want to get off the tractor, you have 2 seconds to tilt the seat forward onto the steering wheel.

  9. #9
    Super Member flusher's Avatar
    Join Date
    Jun 2005
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    7,124
    Location
    Sacramento
    Tractor
    Getting old. Sold the ranch. Sold the tractors. Moved back to the city.

    Default Re: My engine stops for no reason

    Quote Originally Posted by teg View Post
    The seat safety switch only kills the engine when the PTO is engaged. Is the PTO off? That might be the sensor that needs to be adjusted.

    There are no safety switch for the parking brake.

    If the PTO needs to be used when you want to get off the tractor, you have 2 seconds to tilt the seat forward onto the steering wheel.
    I think you nailed it--I had the same problem with my 2005 kubota B7510HST and it was caused by the pto shift being away from the OFF position a slight amount. Just had to push the shift lever to full OFF and the glitch cleared immediately.

  10. #10
    New Member
    Join Date
    Sep 2011
    Posts
    14
    Location
    dunham, quebec
    Tractor
    L3800 FEL, HST, backhoe

    Default Re: My engine stops for no reason

    Thanks Teg. The PTO was supposed to be off but I will double check. What about the use of the backhoe? Do I have 2 seconds also to tilt the seat?

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