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Posted: 10-21-2020 02:16 am

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discogodfather

Joined:	09-17-2007
Location:	San Francisco, California USA
Posts:	221
Status:	Offline

I also tried to clean the mating surfaces real well and was careful to insert the rotor and outer gear back in the same way they came apart, matching the wear patterns. It seems bad if you were to swap that around. I think some pump rotors and outer gears have a mark on them to signify this relationship, but for some reason mine did not have the little star like mark.

And that plastic spacer is very important, get a new one. If it binds hard or drags a bit using two of the plastic gaskets is recommended. When assembled it should spin very freely.

Last edited on 10-21-2020 02:17 am by discogodfather