Rebuilt a jacuzzi wj for a buddy and the shaft won't turn after it was put together
It was tight when measuring wear ring and impeller .... Self clearance?
I did shim front bearing to tighten up impeller clearance.
I've done Berkeley's pumps
Any one have info ? 


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Clearance has to be checked between impeller and new wear ring. Shims are added between front bearing retainer and pump housing to achieve the correct clearance between wear ring and impeller

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