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  • #94138

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    I am back and can report.
    At first we did hull wash and antifouling.
    Then a test cruise. Now the starboard engine did 2.000 rpm under load.
    In port he did 2.760 rpm, that shows the strobe. The tach gauge shows 2.700.
    In idle the strobe shows 625 rpm.

    #92905

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    Tank you you Rob.
    Now, l only need the Girl :-))

    Rainer

    #92884

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    I am german.
    only the boat is in Spain.

    Rainer

    #92847

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    Sorry for the bad kommunikation, but i think, i understand you.

    1. i didn‘t know at time, how to use a strobe, but it should be easy, if you tell me and no Problem to get a strobe. So i will do this.

    2. to take picures from the throttle will work too.

    I Worte in my last post from the fuel pump, but meaning fuel lift pump.

    Rainer

    #92834

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    Thank you Toni for the fast answer.

    1+ 2. the Engine did while testing only 1800 rpm, i thougt is was a easy Issue from the gas circuit linkage.
    3. the no load rpm was the same like Port Engine, i think it is 700 rpm.
    4. i read your tips. I am rigth, the Fuel solenoid works in this case fine?

    So maybe it is Fuel pump issue. For this i am thinking about a pressure gauge. Is there a better and easyer way to check it ?

    Rainer

    #47517

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    That sounds bad !

    So what is done: new engine ( broken), new exaust manifold (craked), new turbo,
    new heatexchanger ( leaking inside) and new exhaust riser( bad leaking) ( both engines ),
    aftercooler checked.

    What do you think, must be done ?

    Rainer

    #47423

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    Now it´s done, the new Engine is installed and everthing is fine.
    The issue was a Crack in Exhaust manifold.

    #35876

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    …and the last one´s

    #35867

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    more pics

    #35857

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    So, i was back on boat. Meantime the mechanic found water in oil, change the Turbo and let the engine run to see what happens with water in oil. After a time it sounds bad. Then they opend the engine to see whats wrong.
    The end of song is a capital Motor damage. See pic´s
    At time we diddn´t find the way of the water in engine. Can you see anything ?
    Makes it sense to repair the engine ?

    Rainer

    #33335

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    true, the problem is on the port machine. the 2 pictures are from the stb machine, because I’m back in 2 months on board and have no better pictures at home. the installation is the same, only the exhaust pipe is just to the other side. And right, it is a closed coupled V-drive with Hurth HSW 800 V.
    But I ask myself the following, if water is only in cylinder 3, then there can not be so many possibilities?

    #33309

    Rainer Schöttler
    Participant
    Vessel Name: Blenny
    Engines: 2 Cummins 6BTA
    Location: Europe
    Country: spain

    Ok, at time, i am 1000 miles away from the boat. I send a pic from the stb engine exhaust/turbo to see installing. The outside water problem of the port turbo was the exhaust hose above, who was leaking. Meantime i changed the broken heatexchanger and yes i lost coolant, and when i drained it, it was grey colored. A new turbo ins on the way. The aftercooler presure was testet after maintance. Running engine with removed airhorn, i didn´t and i don´t know what it means. And the coolant side isn´t at time pressure tested.
    The enigine oil looks good at time, but i think the old owner did it shortly new, so it looks brand new.

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