Does the ceramic disc face the motor or the impeller? It is mostly enclosed in a rubber seal/cup
Polaris pb-4 old style shaft seal
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- Last Post 06 May 2022
Socoatings
posted this
06 May 2022
InyoRich
posted this
06 May 2022
The ceramic face should face the other part of the shaft seal, so the back of the rubber cup sits in the backplate. This guide on How To Change The Shaft Seal On A Polaris PB4-60 Booster Pump will show you how it is done.
