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MEO CLASS 4

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  • MEO CLASS 4

    How can we get to know on MAN B&W 2stroke engine whether exhaust valve is rotating or not from outside?

  • #2
    Bhanu Shekhawat
    To test the rotation of the first pull up the indicator rod placed at the top of the exhaust valve and turn it to 90 degree and let it rest on air piston.
    As the air piston moves the indicator will follow its movement. during rotation of the valve spindle, the top position of the indicator will change about 6 mm, because of the groove in the piston.

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    • #3
      What will happen if cotter of 4 stroke exhaust valve breaks....

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      • #4
        Inam Mir The Cotter ensures that the valve spring always holds the valve in the required position. If it breaks, the valve will malfunction and leak.

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        • Inam Mir
          Inam Mir commented
          Editing a comment
          Thank you for your answer sir but my follow up question is if it breaks will it fall into the combustion chamber of yes what protection is against this?
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