Hayware Perflex EC65 shaft leak after replacing O=rings

Hi

I have a Perflex EC65 filter that is leaking at the bump shaft.  I have replaced the whole shaft kit last year, and then again this year when I saw this leak.  I thought that maybe I buggered up the o-rings when it still leaked, and so replaced the o-rings again.

I don’t see any crack or anything, and the filter works fine otherwise, but I never had this problem until this year.  Any suggestions?

Is there possibly some seal/washer/o-ring that might belong on the inside of the tank lid where the bump shaft goes through it?  I don’t see any cracks or chips around the shaft, either.

Hi,

Below is the exploded parts diagram for your Perflex EC65 filter I would check to see if you are missing any of the o-rings shown below. If so let me know and I can give you pricing. You may also want to try some Pool O-Ring Lubricant on your o-rings.