Fred it was done and checked everyting and I still do not feel comfortable. I replaced Sunrod HE , new goose neck elbow, install external gravity tank so water level is always fine and still do not feel comfortable. What is the recommended engine and propeller size ? Thanks Frank
Sent from my iPhone > On Apr 10, 2014, at 3:01 PM, Frederick G Street <f...@postaudio.net> wrote: > > Frank — just so I understand: your 3QM is overheating? Does the engine run > well otherwise? Before you go to all the trouble and expense of re-powering, > find a really good diesel guy to look at your engine. > > I had a great guy do some work on my 3QM a few years back, and he told me the > engines were originally built for hard, continuous use (industrial > compressors and the like), and if properly maintained, they should last a > very long time in a sailboat. > > I did find an issue with mine overheating a couple of seasons back. Because > the fresh water heat exchanger is mounted to the engine at an angle, you can > check the fluid level when the engine is off, and it will appear that the > coolant level is fine. But with the engine running (and cool, so you don’t > get burned), pull the fill cap and you’ll see that the system needs more > coolant; it settles to the bottom end of the heat exchanger where the cap is > when the pump isn’t running. You can also see if there’s much coolant > running with the cap off. > > Other possible things to do: check the coolant pump impeller; rod out the > passages in the heat exchanger; make sure you’ve got plenty of raw (sea) > water running through; check the exhaust mixing elbow for build-up. > > And I’m sure other listers will add to this. > > Fred Street -- Minneapolis > S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > >> On Apr 10, 2014, at 1:14 PM, Frank Woronkowicz <fworonkow...@gmail.com> >> wrote: >> >> My boat has Yanmar 3QM30 with original added fresh water circ. jabsco pump >> and Sunrod HEx. overheating on the Chesapeake Bay. I think to replace engine >> and propeller. Please let me know if any LF owner already did this work and >> what is approx cost. >> The second question is windllas type and installation. Did anybody install >> windlass in anchor compartment? >> I have her for approx. 20 years and finally these should be done, >> Thanks >> Frank Woronkowicz >> LF 38 s/y Gdynia >> ANNAPOLIS MD >> fworonkow...@gmail.com > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com
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