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  1. #1
    New Member
    Join Date
    Jan 2009

    Default 806 Hiccup

    I have an 806 that I purchased last year and am finally attaching a heavy implement on the 3pt hitch. when I raise the implement it maintains its position but does this correction every few seconds you can hear and feel. This happens both with a cold system as well as when it is fully warmed up and hyd fliud is full, clean and filter has been replaced and screen cleaned. Draft control is in the off position, no external/auxiliary hydraulics connected. Is there a particular valve I should be looking at for this issue or other? Thank you

  2. #2
    Platinum Member pjbci's Avatar
    Join Date
    Feb 2012
    Summit. Ms
    JD 4840, 450j, 310, komatsu D31px22, IH 1486, MF 135, MHF TO35


    All of the bigger internationals from the 06 series up to the 86 series that we have owned have done this. While it can be a lil annoying, it doesnt hurt anything. Just let it be.

  3. #3
    Super Star Member Gary Fowler's Avatar
    Join Date
    Jun 2008
    Bismarck Arkansas
    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: 806 Hiccup

    This is likely caused by a leaking O ring in the lift valve allowing a leak down. Since the tractor has position control, when it drops a bit, the tractors hydraulics automatically picks it back up. I had a Yanmar that did the same thing and it was a blown O ring. I never fixed it, but when I sold it to my brother in law he had his mechanic fix it. I suppose it could also be a leaking lift cylinder and if that is the case, it would be a lot more involved fix.
    I wont hurt anything but is annoying.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  4. #4
    New Member
    Join Date
    Jan 2009

    Default Re: 806 Hiccup

    Thanks for the replies. Good to know. I have done a fair amount of maintenance to it and would like to get some work out of it before I have to do a major repair.

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