Cummins Marine Diesel Repower Specialists Forums Cummins Marine Engines QSM-11 Port Engine RPM’s like WOT at start-up

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  • #153020

    Tom Brady
    Participant
    Vessel Name: Summer Palace
    Engines: QSM-11 @580 hp
    Location: Southern Maryland
    Country: USA

    QSM11’s with Glendenning EC’s. At start-up  Starboard engine normal idle @600 RPM’S. Port engine RPM”s outa control, sounded like it was at WOT. Shut it down, checked throttle positions at both stations. Cranked engine again, same result. Rebooted engine power and EC controls, individually disconnected bridge and tower controls. Each start-up same results. No more tries after that. Any ideas…. 

    Thanks,

    Tom B

     

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  • #154759

    Tom Brady
    Participant
    Vessel Name: Summer Palace
    Engines: QSM-11 @580 hp
    Location: Southern Maryland
    Country: USA

    Yes, a combination of corrosion and broken wire in throttle cable connector .

     

    #154584

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Curious———-Did you ever sort this out?

     

    Tony

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