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Old 09-02-2019, 11:35 PM   #1
Lt. JG
 
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Default Generator CO level high

Evening all, hope you had a great a holiday on the water, ( we did).

I slept on the hook last night for the first time with this boat, I started the gen and after about an hour my CO detector was reading mid to high 70's.
I didn't feel comfortable with that reading so we shut it down for the night and slept without ac.
All the hatches were shut and only opened the cabin door to go in or out, the blowers were running.
Where should I start looking to get this level down? I didn't see any 'leaks' in the exhaust hose or muffler, pumping plenty of water.

thanks in advance..

Ps. westerbeke 6.0 carbed
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Old 09-03-2019, 01:48 PM   #2
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How were you anchored? Did you have a single bow anchor or a bow and stern anchor?

I can see how this might happen if you're stern anchored and the wind is coming from the side or the back. I don't see how it would enter if on a bow anchor only. Unless maybe it air was eddying and entering from the stern. Usually the low discharge all the way at the stern prevents this condition.
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Old 09-03-2019, 03:50 PM   #3
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Bow anchor only...wind from bow to stern....I'm going to check all exhaust connections in bilge but I would hope any fumes in there would be removed by the blowers.....

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Old 09-03-2019, 05:10 PM   #4
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Air blowing from the bow would cause a station wagon effect and the exhaust would enter any small opening or loose fitting hatch or companion way.
Just my 2c.
Don
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Old 09-04-2019, 01:30 PM   #5
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Quote:
Originally Posted by moconnor View Post
I'm going to check all exhaust connections in bilge
I'f you're exhaust is leaking into the bilge, you'd have a water leak as well.
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Old 09-04-2019, 01:38 PM   #6
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I thought that too but I didn't see any water.
I know I have great water flow out the hull.

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Old 09-04-2019, 02:46 PM   #7
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Pull a plug and see if it's running rich.
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