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  1. #21
    New Member
    Join Date
    Sep 2012
    Posts
    2
    Location
    Bismarck, NDak
    Tractor
    John Deere's

    Default Re: blew out 4020 hyd pump.

    Doe's anyone know of a video or manual with pictures and info of how to rebuild a main hydraulic pump on a 70 4020 thanks

  2. #22
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,525
    Location
    Coyote Flats,Tx
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: blew out 4020 hyd pump.

    JD 4020 service manual will have a detailed description on hyd pump repair.

  3. #23
    Veteran Member
    Join Date
    Apr 2004
    Posts
    2,194
    Location
    East Coast of Lake Huron
    Tractor
    Deere, several

    Default Re: blew out 4020 hyd pump.

    Quote Originally Posted by Tx Jim View Post
    JD 4020 service manual will have a detailed description on hyd pump repair.
    The radial closed Center hydraulic pump series has it's own manual.

  4. #24
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    4,525
    Location
    Coyote Flats,Tx
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: blew out 4020 hyd pump.

    Quote Originally Posted by buickanddeere View Post
    The radial closed Center hydraulic pump series has it's own manual.
    I thought you were gone hunting Bambi . Are you stating that the
    Service Manual SM2039 doesn't contain hyd pump repair instructions??

  5. #25
    New Member
    Join Date
    Sep 2012
    Posts
    2
    Location
    Bismarck, NDak
    Tractor
    John Deere's

    Default Re: blew out 4020 hyd pump.

    Thanks Guys for the info. I got the pump tore down and repaired. Wasn't to bad of a job after all.

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