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Old 12-11-2012, 17:04   #1
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Which Yanmar Mixing Elbow???

I have a Yanmar 3GM30 that has an exhaust manifold (about to be replaced) which has the exiting water side running directly through a cast hole (in the end of the manifold) into the mixing elbow through a cast hole (usually this happens via a hose leaving the manifold and entering the elbow).

I cannot find an image of this assembly ANYWHERE online including Torreson or Boatswain's locker or any of the major Yanamr distributors.

This bypassing of the external hose is cast into both pieces... and it is not custom built. I am happy to admit that I do not know if the engine was retrofitted with something after it was bought... but the holes (and bolt holes) on the gas (exhaust) side fit perfectly and I believe it is a Yamar manufactued part.

Any ideas what these parts might be called so I can order the right manifold tomorrow????

Photo's soon... I'm too damn tiered now.

-Cheers.
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Old 12-11-2012, 17:07   #2
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Re: Which Yanmar Mixing Elbow???

It's not like this:



It does not have the fitting for the hose inlet sticking out the top... instead, the water comes through a hole cast right into the exiting side of the manifold and the incoming side of the mixing elbow.
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Old 13-11-2012, 09:08   #3
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Re: Which Yanmar Mixing Elbow???

OK... finally found it.

It's the top version which is the NEWER version... every image I could bring up showed the lower image - the older style which is square (between the manifold and the elbow)... and I was worried that when the part finally arrived in Mexico it would not fit!
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Old 13-11-2012, 11:20   #4
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Re: Which Yanmar Mixing Elbow???

Not familiar with your engine, but curious. How do you install an anti-syphon loop if the engine is below W/Line
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Old 13-11-2012, 11:24   #5
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Re: Which Yanmar Mixing Elbow???

Quote:
Originally Posted by Blue Stocking View Post
Not familiar with your engine, but curious. How do you install an anti-syphon loop if the engine is below W/Line
between the impeller and the heat exchanger. Accomplishes the same thing, but allows a little more water to drain into the muffler.
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Old 13-11-2012, 12:58   #6
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Re: Which Yanmar Mixing Elbow???

My engine is well above the water line as I am in a Prout catamaran and use a drive leg.
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