Join Date: Mar 2012
Location: Portland, ME
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Re: How often to change impeller?
We only put about 50 hours a year on the motor too, but change the impeller every year. As others have said, once you open it up to inspect it, you might as well replace it. This year i found a broken vane (in the heat exchanger), so I am glad we did it.
But this year I have also not been able to get the thing to stop leaking out of the cover since i replaced it last week. Motor is a Westerbeke 20B30. The gasket is just a thin paper gasket. i cleaned both surfaces and used a new gasket, but it still leaks badly.
I wonder if anyone has any tips or tricks to making the gasket seal? Or anyone know if someone makes a thicker (cork or rubber) gasket option? is it nuts to consider a little blue rtv?
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