[C320-list] Water Temp warning light

[Marko Jamnik]

Thanks Karl

It's a Westerbeke 30B


On 2012-07-09, at 3:51 PM, Karl Mielenhausen wrote:

> Marko,
> 
> It would be helpful to know which engine you have.
> 
> I suspect your impeller has broken/missing vanes.
> Was it inspected this spring before commissioning?
> Was it removed during winterization? (They can take on quite a "set" over
> the winter, to the point where the vanes fracture upon start-up.)
> If the impeller checks out, you may have a partially fouled heat exchanger.
> Here are some Mainsheet references to a hot running engine....
> http://www.catalina320.com/article.php?story=20100117205621921
> http://www.catalina320.com/article.php?story=20090718083201878
> 
> Karl Mielenhausen
> 
> 
> On Mon, Jul 9, 2012 at 10:12 AM, Marko Jamnik <mjamnik at markocreative.net>
> wrote:
>>> Things just keep happening. One way of keeping me on my toes.
>> 
>> Ventured out for a sail the other day and everything was working normal,
> the engine started, water was circulating through the engine.
>> Twenty minutes under power my water temp light came on as well as the
> alarm. The gauge was a normal 80c, the coolant was full, the impeller was
> changed two years ago with 44 hours on the new one. My intake filter is
> clear. I ran the engine for approximate 30 minutes gauge still reading 80c
> and then I decided time to shut it down. I let it cool down and then tried
> it again hoping it was a temporary thing.
>> I would appreciate any other options I may have over looked. With the
> gauge being normal I ruled out the thermostat.
>> 
>> Mark
>> Lake Ontario
>> #304
>