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Old 03-02-2015, 19:35   #16
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Re: Air Leak in Fresh Water Pressure System

Good catch Ron. I hadn't caught that he had installed additional valves. I'm still thinking it might be the pump. He seems to have checked everything else.
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Old 03-02-2015, 20:02   #17
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Re: Air Leak in Fresh Water Pressure System

First order;




Disconnect the output hose from the pump, then connect a section of hose to the pump that has a cock on it, turn the pump on, bled the air and close the cock.

Now if the pump comes up to pressure, and stays off, you know the issue is on the pressure side, not the suction side, or the pump it's self.

Lloyd

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Originally Posted by WolfgangSeaLife
Thanks Stu. Testing the pump? Can I vent it, then run it, then disconnect the intake and no water should flow back out of the pump? In that case it can't be the pump. It would have to be a leak in the connection after the pump? Then trace the hoses from the pump.... Is there an additive to water that shows up bright under UV light? I could feed water into the pump from a bucket with that stuff. Just food coloring would not be well visible under gear and floors and cabinets.
Thanks for your help
wolfgang
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Old 06-02-2015, 03:12   #18
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Re: Air Leak in Fresh Water Pressure System

If there is a filter on the suction side of the pump with an air bleed button...
Sometimes the force of the suction will pull the button down and pull air into the system. Usually if the filter is getting clogged or the bleed button spring goes bad.
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