What’s wrong with my pump?

Question

Does anyone have this pump? I don’t know if i have the settings right. I pumped for about 10 minutes but only got half an oz. My boobs are very full because my daughter hasn’t been nursing much because she’s not feeling well. It starts off with a really good suction but after about 2 minutes it i have to take it off and put it back on to get the same suction it started with. It’s been like this the last couple of weeks. I usually get at least 3 oz in 10 minutes

Answer

Definitely change the duckbill valves and the back flow membranes.

Answer

You need to change the parts and make sure your flanges are the right size. I used 27/28 for months and months before realizing they were way too big and I needed a 15/16

Answer

You probably just need to change the valves. They stretch out and get loose which affects the pumping power. It’ll start of normal and as the pump runs it will slowly work them out of place and weaken the suction. They’re pretty cheep and need to be replaced every month or so (depending on how often you pump). I think I got a pack of 8 on Amazon for less than $10.

Answer

I do 70 speed/suction 5 until my milk starts flowing (usually about a minute) and then switch to 38 speed/suction 11 (the highest I can do comfortably) until it slows, usually about 13-14 minutes. 
How old are your parts? I just replaced my valves and it made a noticeable difference in how well the pump works

Answer

Have you changed the valves recently?

What’s wrong with my pump?

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