[C320-list] Simple Hose Replace? - Between sea water pump and heat exchanger

[sail-ability at sympatico.ca]

You need to use the Yanmar hose with the manufactured bend in it. Straight hose won’t work. 
JohnM
1999#574

Sent from my iPhone

> On Aug 17, 2019, at 11:43 AM, Doug Treff <doug at treff.us> wrote:
> 
> Joel, 
> 
> I had the same issue a while back. I replaced the hose with the OEM part from Yanmar. Same thing. Mine was the factory original, painted to match the engine. In the end, in still had a leak. Turned out to be the water pump. I replaced it with a new pump and the leak stopped.
> 
> --
> Doug Treff
> doug at treff.us
> 
>> On Thu, Aug 15, 2019, at 6:17 AM, Joel Krauska wrote:
>> Howdy.
>> 
>> I have a Yanmar 3GM30F.
>> 
>> I found a slow drip coming off the hose leading out of the sea water pump.
>> 
>> 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 180 degree
>> 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.
>>