Plate clamp not opening.

Discussion in '1-Color and 2-Color Offset Presses' started by Andrea Atkinson, Nov 5, 2022.

  1. Andrea Atkinson

    Andrea Atkinson New Member

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    Hi, I need some help here we are using a Heidelberg sheet feed GTO Press 2 color, Model GTO-52.
    The issue is that one of the plate clamp is not opening, any suggestions?
     
  2. Adil

    Adil Senior Member

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    Hi sir
    if you are talking about the bars of the plate cylinder, you must remove the wedging bar and clean with penetrating oil.
    For any question be welcome
     
  3. Andrea Atkinson

    Andrea Atkinson New Member

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    Thanks for your response, I will do that tomorrow and let you know how it goes
     
  4. Andrea Atkinson

    Andrea Atkinson New Member

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    Hi Adil, I have tried what you told me and the clamp bar on the plate cylinder is still not working. I have attached a photo of the part that is not moving and the model.
    Thank you.
     

    Attached Files:

  5. Adil

    Adil Senior Member

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    Hi sir
    at the beginning you said that it is a gto 2 color whereas it is a PM52 from 2004. it's not the same it is necessary to make sure of the type of the clamping bar is it mechanical or semi-automatic if it is mechanical then my first suggestion is sufficient (unseize the bar + spring check) but if it is semi-automatic with a pneumatic control then you have to check: 1 - the electrical voltage of the solenoid valve 2- replace the solenoid valve if it is faulty 3-hear if there is a leak at the level of the clamping bar in this case it is necessary to change the pneumatic control bar within the clamping bar
    Good luck
     
  6. Mechanica Speedmaster

    Mechanica Speedmaster Member

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    This press have autoplate clamping system, check if there is air leackage while you open the clamps, usualy you have to replace following part (HD spare part number): 00.580.4473/03
     
  7. Adil

    Adil Senior Member

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    you must first check the first two stages that I mentioned after checking stage 3 if there is a leak change the clamping bar 00.580.4473/03 as the speedmaster mechanic said
     
  8. Adil

    Adil Senior Member

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    you must first check the first two stages that I mentioned after checking stage 3 if there is a leak change the clamping bar 00.580.4473/03 as the speedmaster mechanic said
     

  9. Andrea Atkinson

    Andrea Atkinson New Member

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    Thank you a lot gentlemen, I will give you an update as soon as I check that.
     
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