Question about John Deere Eztrak Special Edition Kit Z425 Z445 Z465

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I have a John Deere Z425 after it stalled on a hill I opened the by-pass valves pushed to level..... I no longer have action right lever but left lever works fine.

I had to push some more to get to a jump start...... the lever handle moves the pivot at the hydraulic pump control.

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  • Bill Hays May 14, 2014

    I'm beginning to suspect there is air in the right system.....I remember opening the by-pass valve completely ....only to read the operator manual later to indicate one turn all that's needed..The long push with the by-pass wide open may well have sucked air into the system...How to bleed?

  • Bill Hays May 17, 2014

    All OK now. I devised a way to reverse flush the right hydraulic system.

  • Bill Hays May 17, 2014

    Add a Competently removed the by-pass valve stem and with the wheel jacked up I turned the right wheel as in reverse...fluid came out the vacated by-pass stem hole. I then turned the wheel as in forward till fluid came out the by-pass hole. I then re installed the by-pass valve stem. Removed from the jack and started the mower......WALLA!....everything worked as designed..

  • Bill Hays May 17, 2014

    I appreciate everyone who viewed my problem....This solution possibly could help others.

  • Charles E Paramore
    Charles E Paramore Jun 13, 2015

    Yes, Bill this was the cure for my z425 also. My mower had done the same thing. Thank you for you post



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