Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › QSC Vibration Damper

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  • February 25, 2020 at 6:45 am #93948

    Dave Carlson
    Participant
    Vessel Name: Bec'n Me
    Engines: 500 QSC
    Location: Fort Myers
    Country: USA

    I would like an opinion on this wobble of this QSC 500 vibration damper. I have removed it and can find nothing wrong with the mounting. Is there a test for these dampers? I did not notice a vibration in this engine specifically but the boat has a vibration between 1200-1900 rpms that a prop scan did not correct. I do not want to throw $400 at something that might be normal.

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  • February 26, 2020 at 3:56 am #93993

    Luke Nelson
    Participant
    Vessel Name: Southern Image
    Engines: QSC 8.3 540hp
    Location: Perth
    Country: Western Australia

    I have a pair of 540’s and I may not have the damper only a double pulley,after a look at quick serve i need to go look again!
    It will be interesting to find out what is meant to be there!

    cheers Luke

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