Hello,
I have a 1982 Catalina 27 with a Universal 5411 and I would like to change the impeller on it. I'm not having any problems with it but the previous owner is unsure when it was last changed. The water pump looks like it was changed at some point because it has the newer model Sherwood pump found here which I don't think was normally used on a 82 model. The Catalina Direct site has a lot of nice information on the different water pumps used over the years and of course it looks like I have the most difficult one to change the impeller on. Catalina Direct says "Three machine screws fasten the cup onto the body of the pump. The heads of the screws are only accessible from behind the cup, an extremely unfortunate design choice." Another user of a different thread on this forum said it was "hell to change".
Does anyone have any advice or guidance on changing the impellers on these pumps?
I have a 1982 Catalina 27 with a Universal 5411 and I would like to change the impeller on it. I'm not having any problems with it but the previous owner is unsure when it was last changed. The water pump looks like it was changed at some point because it has the newer model Sherwood pump found here which I don't think was normally used on a 82 model. The Catalina Direct site has a lot of nice information on the different water pumps used over the years and of course it looks like I have the most difficult one to change the impeller on. Catalina Direct says "Three machine screws fasten the cup onto the body of the pump. The heads of the screws are only accessible from behind the cup, an extremely unfortunate design choice." Another user of a different thread on this forum said it was "hell to change".
Does anyone have any advice or guidance on changing the impellers on these pumps?
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