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Old 12-03-2012
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Re: "Thingamajig" what the heck

Quote:
Originally Posted by kellysails View Post
I am half tempted to put in a new short hose that goes directly from the heat exchanger to the mixing elbow. Looks to me as another single point of failure. Thoughts?
You have already been enlightened by other posts on the function of that little thingamajig but I just want to add a little about the Extreme Importance of it. On my Yanmar that loop is vented to the outside and 'mud dauber' wasps built a nest in it - stopping it's function. The next time I used the boat it ran fine and I shut down as normal. What I didn't know was that as the engine cooled down sea water was sucked/siphoned into the engine totally 'hydro-locking' it. I was lucky and no water go into my oil and it was a simple pull the injectors and spray in all over my interior while turning it over. That was 3 years ago - no problem. That would probably happen every time if you did as you were tempted to do above
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'Christy Leigh'
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