Denis K Posted December 7, 2013 Report Share Posted December 7, 2013 I have a Polaris PB 4 booster pump, It has been leaking a little for some time so this winter I decided to put new seals in it, I installed the seal as I was shown on You tube video and put it all back together I started it up and no leaks so I shut it off. I didn't want to run it any longer because the back up unit on my sweep was broke in half and I had another one on order. When the back up unit arrived I installed it on the sweep and fired up the pump. Now the pump leaks like more than it did before. I thought that I was being real careful putting it back together but I must of done something wrong. I mean water is pouring out around the shaft right where the old leak was. Any ides as to what I might of done wrong. Quote Link to comment Share on other sites More sharing options...
Pool Clown Posted December 8, 2013 Report Share Posted December 8, 2013 Only thing i could think of is you installed the seal improperly or even backwards. Quote Link to comment Share on other sites More sharing options...
brettnolan Posted December 15, 2013 Report Share Posted December 15, 2013 A lot of times the impeller melts where the seal would sit which will not allow it to seal properly. You may need to replace the impeller as well. Quote Link to comment Share on other sites More sharing options...
Pool Clown Posted December 16, 2013 Report Share Posted December 16, 2013 Good point. Take the impeller, remove the seal, and look where the rubber part of the ceramic seal sits in the impeller. If you can see an impression of the rubber part in the impeller, you will need to replace the impeller. Quote Link to comment Share on other sites More sharing options...
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