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drawing air?

  • 16-04-2015 2:18pm
    #1
    have2flushtwice
    Registered Users, Registered Users 2 Posts: 1,415 ✭✭✭


    Iv a tractor that get airlocked fairl regular. maybe once an hour id say.
    Its handy toget it going again
    How would i test it to find where its sucking in the air?
    I dont let it low on juice, and there are no obvious leaks.


Comments

  • #2
    9935452
    Registered Users, Registered Users 2 Posts: 2,787 ✭✭✭9935452


    Does it cut out or you stop it for a while and it wont start.
    What make /model is it


  • #3
    zetecescort
    Registered Users, Registered Users 2 Posts: 5,164 ✭✭✭zetecescort


    Depending on the make there should be a small filter inside the tank and dirt might be blocking and freeing up again as the tractor is moving.


  • #4
    have2flushtwice
    Registered Users, Registered Users 2 Posts: 1,415 ✭✭✭have2flushtwice


    9935452 wrote: »
    Does it cut out or you stop it for a while and it wont start.
    What make /model is it

    Its a 1988 jcb 3cx 4wd.It just dies. Filters replaced numerous times
    The pipes after the injection pump would have pressure in them, so if there was a hole or crack there it would b plain to see.
    Maybe a tank clean is on the cards


  • #5
    9935452
    Registered Users, Registered Users 2 Posts: 2,787 ✭✭✭9935452


    have2flushtwice wrote: »
    Its a 1988 jcb 3cx 4wd.It just dies. Filters replaced numerous times
    The pipes after the injection pump would have pressure in them, so if there was a hole or crack there it would b plain to see.
    Maybe a tank clean is on the cards

    There has to be a blockage somewhere or drawing air. Check and clean the glass bowl. sometimes mesh filter there. On top of the lift pump there is normally a mesh filter . also at the bottom of the tank. if none of that helps blow the lines back to the tank.
    Is there any cracking on rubber pipes


  • #6
    Nekarsulm
    Registered Users, Registered Users 2 Posts: 11,219 ✭✭✭✭Nekarsulm


    You have cleaned the dirt/water trap inside the chassis rail, on the starter motor side?
    Also my one used to do this if diesel was lowish. There turned out to be a piece of cork floating about in the tank, and the odd time it would get sucked up onto the end of the fuel pipe to the pump.


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