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Eaton 778 transaxle air bleed

Discussion in 'Mechanic and Repair' started by 76LQ9TA, Sep 27, 2007.

  1. 76LQ9TA

    76LQ9TA LawnSite Member
    Messages: 3

    I have an eaton 778 transaxle that I had to replace the lip seal on. It doesn't turn as fast as it did before the seal replacement. I think there is air trapped in the system. Is there a recommended procedure for bleeding the air out of the transmission?
     
  2. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,029

    Here is a paste from another thread;


    Purge any air out of the system by jacking the drive wheels off the ground and block the unit. With the throttle set around 3/4 position slowly move the controls forward to reverse 8/10 times then test drive the unit.
     
  3. 76LQ9TA

    76LQ9TA LawnSite Member
    Messages: 3

    I guess I'll have to just run it some more. I did this last night after filling the case. I was thinking there was a plug to take out that would allow air to bleed out of the system. It looks like air would have a difficult time making it out through the fill hose.
     
  4. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,029

    Nope, No plug. Just make sure you go full travel and pause a few seconds in each direction.
     

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