2GM converted to freshwater by previous owner ... now how do I fix it?! - SailNet Community

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Old 01-10-2010
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2GM converted to freshwater by previous owner ... now how do I fix it?!

I have a 1981 2GM which was converted to freshwater cooling by mounting a Jabsco 2760-001 pump by a previous owner. This pump is being used for raw water. The stock cooling pump is now pumping freshwater. A heat exchanger and expansion tank were added as well.

The issue that I have is ... the pulley that was installed on the Jabsco pump has rounded out in the bore. It is supposed to be held onto the landing on the Jabsco shaft by an allen setscrew in the pulley. This pulley is non-recoverable. I have no idea how to replace it!

It has a factory stamp appearing to be the letters COE(?) within a circle. Numbers on the pulley rim are 350-0 (facing inwards) and 101 (facing outwards).

I read that this conversion is not uncommon and that this pump is what is normally used to do it. Would someone tell me if there is a better pulley solution? Or, at least, how do I replace this pulley?

Thanks!
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Old 01-11-2010
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If the pully did not dammage the pump shaft you should be able to carry it into any bearing supply house and find one thats the same
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