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Old 02-24-2010
countrygent5201 countrygent5201 is offline
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Steve, my engine has an open-end hose that can be inserted into a jug of antifreeze and, with the seacock closed, the antifreeze is pumped into the raw water system (the engine has to be shut down at the right time or the antifreeze will be pumped completely through the engine.As for the vanes, it appears to me from looking at the raw water diagram in the Yanmar manual that the pump is on the discharge side of the system, meaning that it "sucks" water through the engine. Someone please correct me if I'm wrong, but if that's the case wouldn't the vanes go into the discharge line rather than the engine?
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