Could use some tips on debugging Lake Water pump

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All fixed.

When looking last night I was surprised how shallow the pickup was at and figured that caused it. This morning I cut off the end and added 8 feet and a new foot valve.

I go to prime it and water is pouring the back. It was disconnected!
So I reconnect it and it just won’t prime. Just won’t get above 25lbs. But every time I shut it off I hear a little gurgle where I reconnected. So I replaced the whole section which had a couple unions. The tubing they used was 160psi the stuff I bough was only 100psi.

After that it primed right up. No more back pressure leak.

There was an odd cut in the line right near the foot valve which I think was the back pressure leak.

Now it only runs when water is used. Amazing the pump still works.

[fatlazyless]

Here's a good shallow well pump repair story:

A neighbor was on his third day trouble shooting the very problematic shallow well cottage water system that sucks the water up and out of Lake Winnipesaukee.

By the third day, had totally dug up the underground cpvc 1 1/4" line expecting to find a crack in the line, somewhere, but no cracks were found.

What was the problem? He discovered that a chipmunk had stored acorns inside the line which blocked the line ..... ha-ha-ha-ha-ha!
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For priming if it ever loses prime, I hook a garden hose up to the outside garden hose faucet, and run the hose into the lake with a 1/6-hp utility pump attached, into the lake water, to get it filled and primed ..... after saying a prayer to the shallow well pump system gods.