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Kubota KX 121-2 thermostat

Discussion in 'Compact Excavators' started by jw3, Oct 26, 2013.

  1. jw3

    jw3 Active Member

    Joined:
    Jul 28, 2011
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    Plumber
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    Tx
    Are there any special procedures to burping the air out of the cooling system after changing the thermostat? I have shop manuals on the way, they just haven't arrived yet? I appreciate y'all's info because I am in a jam!!!!
     
  2. Jlillie2

    Jlillie2 Well-Known Member

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    Williamstown Ma.
    I'd run it with the radiator cap off from it and watch it until the fluid gos by once the stat opens. If it drops ad some more. I had valves (On my takeuchi) that were intended for a heater, as they were on the high side, I opened them a little until I had fluid coming out to make sure it didn't get air bound. I assume that you didn't have to drain the entire machine to replace the thermostat right?

     
  3. jw3

    jw3 Active Member

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    Occupation:
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    Tx
    No sir I didn't have to drain the radiator. I did pretty well what you described. I haven't had to add any more anti freeze as of yet.
     
  4. Jlillie2

    Jlillie2 Well-Known Member

    Joined:
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    Williamstown Ma.
    I'd say you are fine then, I assume that the tem gauge is showing temperature up to the normal level?
    If the gauge was exceptionally low, or reading sporadically, I would suspect an air bind.
    I think from the sounds of things that you did it all right.