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  1. #1
    New Member
    Join Date
    May 2013
    Posts
    4
    Location
    Fosston, MN
    Tractor
    John Deere 60

    Default Powr-Trol won't hold rockshaft up

    I have a 1952 JD 60. The Powr-Trol lifts the rockshaft fine (I have a 3point on it with no implement attached) but it will not hold it up. It begins to go down immediately and is completely down in about 3 minutes. Any idea of what is wrong & what I need to do to fix it. I do have the dummy plugs in.

  2. #2
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    3,746
    Location
    Coyote Flats,Tx
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: Powr-Trol won't hold rockshaft up

    It could the piston seal(A4464R & A4496R) leaking or this gasket(parts key #35 A1447R) has been known to blow.
    Attached Thumbnails Attached Thumbnails -capture-jpg   -capture-jpg  

  3. #3
    Bronze Member
    Join Date
    Oct 2012
    Posts
    75
    Location
    Windham
    Tractor
    John Deere 70

    Default Re: Powr-Trol won't hold rockshaft up

    More than likely it is the seal but before you tear it apart, at the bottom of the valve housing there is an adjustment.It is the fast drop or throttle valve,take the hex cap off turn adjustment out till no tension then see if rockshaft drops.Yes? you need new piston O-Ring seal.

  4. #4
    New Member
    Join Date
    May 2013
    Posts
    4
    Location
    Fosston, MN
    Tractor
    John Deere 60

    Default Re: Powr-Trol won't hold rockshaft up

    Thanks, but when I took the hex cap off, there was no adjustment underneath to turn out. What does it look like; is it just under the hex cap? It could be that the previous owner removed something, as I found out the 2 gears in the pump had been removed. Any clarification of what it looks like will be appreciated. Terry N

  5. #5
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
    Posts
    3,746
    Location
    Coyote Flats,Tx
    Tractor
    JD 4255/Kubota M7040 HDC

    Default Re: Powr-Trol won't hold rockshaft up

    Quote Originally Posted by Terry N View Post
    Any clarification of what it looks like will be appreciated. Terry N
    Parts key #52 in 1st photo.

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