1928 Elto Ruddertwin froze

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  • November 25, 2016 at 4:27 pm #5769
    Alan Pelot
    Participant

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      I have read many times about freeing up pistons but have never needed to use the information. Looking back on past posts it seems soaking in 50/50 solution of automatic transmission fluid and paint thinner with a lot of patience might work.
      I am open to suggestions.
      I have the Elto completely disassembled. I removed the bolts holding the cylinders to the block. Spraying wd40 I was able to get the crankshaft free. With the cylinders loose I can turn the crankshaft back and forth. The pistons are still stuck in the cylinders. Looked with a flashlight inside and everything looks nice and clean. Very little rust.

      I dont have much hope but do want to try. Is there much success in getting them free?

      Thank you for any ideas and encouragement.

      Alan

      November 25, 2016 at 6:16 pm #48010
      RICHARD A. WHITE
      Participant

        Lifetime Member

        Put the fluid mixture into the exhaust openings….let it soak that way….you can add heat, but be careful of flame….
        Heat will expand the cylinder walls and allow fluid to get where it needs to be….

        http://www.richardsoutboardtools.com
        classicomctools@gmail.com

        November 25, 2016 at 7:04 pm #48013
        Alan Pelot
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          US MEMBER PAY BY CHECK

          Thank you Richard. I will give it a try. Going right now to get transmission fluid.

          Are the odds pretty slim in getting pistons free?

          November 25, 2016 at 7:08 pm #48014
          RICHARD A. WHITE
          Participant

            Lifetime Member

            Depends on you "patience" level…. I have been working on a ’29 Speedster for 3 years and WON’T give up till it is free

            http://www.richardsoutboardtools.com
            classicomctools@gmail.com

            November 25, 2016 at 8:26 pm #48016
            Alan Pelot
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              US MEMBER PAY BY CHECK

              I know I don’t have that kind of patience! I was hoping to pour the mixture in and have it free this afternoon.

              Good luck.

              November 25, 2016 at 9:25 pm #48022
              Tubs
              Participant

                If all else fails and you have room to get the first set
                of short bolts in you can remove the cylinders this way.
                https://www.youtube.com/watch?v=QcAwNp0mzRs

                A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.

                November 25, 2016 at 11:26 pm #48028
                Alan Pelot
                Participant

                  US MEMBER PAY BY CHECK

                  Thank you Tubs. I think I can figure a way to do that. I would be jacking against the cylinder block and the connecting rod is connected to the crankshaft. Would I hurt the connecting rod crank pin bore?

                  November 26, 2016 at 2:20 am #48033
                  Tubs
                  Participant

                    The only thing you need to watch is you
                    don’t want the head of the bolt turning
                    against the aluminum of the block.
                    I suspect that once you break them loose
                    you’ll be able to pull them off off but at
                    no time do you want to twist the cylinder
                    as you can twist the rod.

                    A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.

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