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green gunk ie. aluminum tube seal

in General Tech Discussion 11 years ago
One item that needs to be carefuilly covered is the removal of the aluminum tube fittings on the engine and water pump, the how to on removal of the green gunk inside thos thin aluminum threads and then the placing of new 'green gunk' and how to rotate and place those aluminum pipes and get them sealed properly. The small current video is simply a 'heat and run ' accident.

  • Re: green gunk ie. aluminum tube seal

    by » 11 years ago

    If we are talking about the same thing;
    The green gunk is Loctite 648. Use a heat gun or small butane torch to heat the fittings to release. Clean the threads or any area you are going to apply the Loctite well with some lacquer thinner or similar product before remounting. Brush out any green or blue "gunk" from any threads.
    If they are going back in the same direction I put a mark on the tube and engine side so I can align them exactly where I want them. I apply a small coating on the tube and other surface. Then when inserting them make sure there are no dry spots between the two surfaces as you turn them in place . Then allow to dry.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: green gunk ie. aluminum tube seal

    by » 11 years ago

    also see video:
    http://www.rotax-owner.com/videos-topmenu/rotax-minute/375-elbow
      
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  • Re: green gunk ie. aluminum tube seal

    by » 11 years ago

    anyone can remove / clean / replace / reposition the aluminum tubes on the water pump housing because its removable but show us the removal / cleaniung etc for those on the cylinder heads .. can't get a 'pick' in there to clean nor a wooden dowel to reposition.. so what then.. ie. don't just show the easy one show the hard job ...
      
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