[C320-list] Water on floor by water pump

[Doug Treff]

Thanks Christian. My anti-siphon is installed in the lazarette compartment, far away from the problem area.

--
Doug Treff
doug at treff.us

On Thu, Jun 13, 2019, at 2:08 PM, Christian wrote:
> Doug,
> my 320 is a Perkins, so not familiar with Yanmar setup and if this applies
> to you.  I have an anti-siphon valve mounted on the starboard bulkhead
> right next to the engine.  Some time last summer, the duckbill on my siphon
> started going bad, and I'd occasionally get water similar to you describe,
> when the valve leaked and water ran down the bulkhead , forward, as she
> rolled in some waves.
> 
> I've since replaced the valve, no wetness in that area, or under the engine
> bilge anymore.
> 
> Maybe this helps. maybe not.
> 
> Christian Caperton
> 1994 C320 "Canuck" #138
> Monroe Harbor, Chicago, IL
> 
> On Thu, Jun 13, 2019 at 12:56 PM Doug Treff <doug at treff.us> wrote:
> 
> > All,
> >
> > I'm tracing an engine water leak - it appears randomly after running the
> > engine - some days it's dry and other days, I find a small amount of
> > wetness on the floor starboard side right by the companionway ladder. Not
> > much, usually can be cleaned up with a single paper towel.
> >
> > I have Hull 350 with a Yanmar 3GM engine. I went to the boat yesterday and
> > ran the engine in the slip for about 30 minutes. Completely dry. Other days
> > I find a small amount of water there. After shutting down the engine
> > yesterday, I felt all around the water pump and various connected hoses
> > with a paper towel, it came back dry everywhere.
> >
> > Does anyone have ideas? Obviously I suspect the water pump. It looks like
> > the original pump and hoses, based on the fact that it has the factory
> > paint on everything, including the hoses. The impeller was changed this
> > spring. I made sure to clean the impeller cover and mating surfaces before
> > putting in a new gasket.
> >
> > I'd love to hear any ideas. Thinking maybe it's time for a new pump since
> > it's 23 years old, but that's the spendy way of fixing it.
> >
> > --
> > Doug Treff
> > doug at treff.us
> >
> >
>