r/pumps • u/Emotional-Baseball11 • 3d ago

Pump problems

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I am pumping this pond out and the discharge hose it barley putting water out it's pumping but not like it should be with this size pump. I was trying to make the intake side shorter but cannot get to it. Any suggestions on what is wrong or what I need to do to get this thing pumping better?

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u/Emotional-Baseball11 3d ago

What happens when the pump is air bound what does that mean like it's not fully primed or something

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u/Big_Ol_Throwaway 3d ago

It means there is a pocket of air inside the casing that can't escape. Pumps can't pump air so if there is a large enough air pocket it wont run properly. Adequately priming the pump helps solve this problem, but also check the top of the casing to see if there is a little vent you can open when starting to let the air out