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  1. Replies
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    Re: Iseki 2140 hydraulic problem 3pt lionkage

    Success! The problem was finally traced to the second Pressure Release Valve situated underneath the block which carries the upper arms of the linkage. The PRV was removed without altering the...
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    Re: Iseki 2140 hydraulic problem 3pt lionkage

    Thanks JJ. I'm getting sort of options! How about the valve linked with the up/down lever? Is this accessible?
  3. Replies
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    Re: Iseki 2140 hydraulic problem 3pt lionkage

    Thank you for the suggestion, but we changed the oil for new, and the tractor is not exposed to rain, so no obvious source of water input. Air being sucked in seems the best guess, one suggestion...
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    Re: Iseki 2140 hydraulic problem 3pt lionkage

    Thanks for that JJ, The pump seemed difficult to dismantle, and no seals were seen other than the gasket between pump and block. The relief valve ring seal looked OK.

    Air is getting in somewhere...
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    Re: Iseki 2140 hydraulic problem 3pt lionkage

    Thanks for the advice. you mention the "spool"- what exactly is that? There is an O-ring on the release valve which I have replaced.I will try your suggestion of seeing it sags on tightening the...
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    7,194

    Re: Iseki 2140 hydraulic problem 3pt lionkage

    Thank you for your reply. The piston seals were checked, and indeed one was damaged -- we thought this was the cause of the problem -- but no change after installing new ones! The pressure release...
  7. Replies
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    7,194

    Iseki 2140 hydraulic problem 3pt lionkage

    hi everybody, my first post.

    Symptoms of the problem are as follows:

    Three-point linkage became sluggish and only worked with high revs

    Drained the oil, checked the suction filter (had...
Results 1 to 7 of 7
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