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  1. Introduction & Request for help on 4911 hydraulic problems

    Thanks Skin7245 It's nice to have it confirmed. I think the seals must have been fitted incorrectly before. Regards Wannabe
  2. Introduction & Request for help on 4911 hydraulic problems

    O.K. Not much to report at the moment. I have the new piston seals but which way do they go? The seals are flat on one side - just like a washer and on the other side they are "cupped". I was told that the "cup" side should face the pressure - that is be towards the crown of the hydraulic...
  3. Introduction & Request for help on 4911 hydraulic problems

    Thanks to all who've responded - I feel I have at least some idea of what Antislip is now! I thought an update might be appropriate. The problem isn't cured but, after lifting the hydraulic head, at least one problem has been revealed. The seals on the lift cylinder have failed. One was actually...
  4. Introduction & Request for help on 4911 hydraulic problems

    Hi all And thanks for the responses. I think prestonpaul may have hit the nail on the head with the comment about the linkage. I'm convinced now that it's unlikely that the problem can be solved without taking the head off the hydraulic unit and I'm not sure whether that's one best left to the...
  5. Introduction & Request for help on 4911 hydraulic problems

    Meant to add Does anyone know if this is any good http://www.ebay.co.uk/itm/ZETOR-ZETORMATIC-Tractor-Hydraulic-system-manual-CD-Zetor-Matic-/110962202337 and also add apologies for the tediously long post! Regards Wannabe
  6. Introduction & Request for help on 4911 hydraulic problems

    Hi Just a few lines to introduce myself. I'm a semi-retired electrical engineer with an interest in things mechanical. I'm in partnership with another guy and we own 27 acres of woodland and arable, including a pond, which we try to manage for the benefit of wildlife. To assist with this we have...
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