Correction: Seawater cooled engine thermostats should start to open at 108°F and be full open at 126°F.
There is a possibility that the temperature switch is wrong or bad too. Josh On Sep 8, 2015 12:33 PM, "Peter Delean via CnC-List" <cnc-list@cnc-list.com> wrote: > Yanmar 2GM-15 > > After warming up the engine, motoring out of the marina and into the bay > (about 5-10 minutes of moving) the WATER light and alarm came on. > > I checked out the exhaust, there was water coming out as it should. I > eventually shut off the motor and sailed for a bit. After sailing same > routine: engine on, 5-10 minutes into the ride back to port the WATER alarm > and light came on. > > The impeller was new in July, and had maybe ten hours on it. > > The cooling water comes from under the boat then passes through a filter > before heading to the motor. It appears to need to be cleaned. (Bottle > looks grungy). > > I could not locate a place to check the engine coolant. I wanted to make > sure that that was topped up. > > While I was away, the marina personnel ran the motor at idle for a > minutes, did not see an alarm, and assumed all was well. They did not check > the filter or the coolant as far as I know. > > I am assuming the water pump/impeller is good as it is new. > > Any other things I should be considering? > > Peter Delean > Drifter II, 30-1 > Penetanguishene, ON > > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
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