[C320-list] Simple Hose Replace? - Between sea water pump and heat exchanger (resend w/o images)

[Joel Krauska]

Thanks John.

I found this:

https://j109.org/docs/Yanmar-3GM30-parts-catalog.pdf
Page 48, Fig.39. COOLING FRESH WATER LINE
Part Number: 128690-49010

Looks correct to me.






On Mon, Jun 17, 2019 at 12:50 PM <sail-ability at sympatico.ca> wrote:

> I replaced mine and used the OEM hose. You won’t get a straight run hose
> to work properly. Sadly I don’t have part # to hand but U can find it
> online.
> Cheers
> JohnM
> 1999#574
>
> Sent from my iPhone
>
> > On Jun 17, 2019, at 3:19 PM, Joel Krauska <joel at krauska.net> wrote:
> >
> > Howdy.
> >
> > I have a Yanmar 3GM30F.
> >
> > I found a slow drip coming off the hose leading out of the sea water
> pump.
> >
> > Images here:
> > https://cajoel.smugmug.com/Grace/Yanmar/Dripping-Sea-Water/n-cCL2pm/
> >
> > It looks to be coming from near the clamp on to the hose. I could try to
> > tighten up the clamp, but I think it's probably best to replace also
> > replace the hose.
> >
> > I'm guessing that since this particular hose is still flaking silver
> paint
> > that it probably was factory.
> >
> > I've replaced other hose runs with Shields 250 5/8" hose.
> >
> > I'd like to do the same here but I was curious about the big bend right
> > before it enters the heat exchanger.  Will shields 250 set and hold a
> bend
> > like that?
> >
> > Any other advice on doing this well?
> >
> > Best,
> >
> > Joel
> > Catalina 320 - Grace #802
> > South Beach, SF, CA.
>