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Author Topic: Rider Ericsson from Jin need assistance (Now Resolved)  (Read 6154 times)

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Re: Rider Ericsson from Jin need assistance (Now Resolved)
« on: October 07, 2024, 09:35:20 am »
It's nice to know how to fix that problem.
I wonder if replacing the metal check ball with a rubber ball would immediately improve the sealing and performance of the pump on these?