Posted by MeAnthony on January 04, 2020 at 23:04:35 from (204.106.253.41):
I lowered air pressure in the tank; this decreased (but did not resolve) the significant pressure loss just before the pump kicked on. I replaced the switch and nipple, no improvement. It actually got worse to the point that the pump was short cycling, running about 5 seconds every 20 seconds. I put in a new pressure tank earlier this evening and the problem is basically resolved. There's still a small pressure drop (only a pound or two, not ten - 12 pounds like it was previously) just before the pump kicks on; I'll have to check it out again tomorrow and maybe raise the cut-in pressure a tad.
One thing I don't quite understand about the old tank.... I thought a failed bladder would give you water out the air fitting on top? I got a couple tiny droplets one time but that was all. Until the pump started short cycling so bad, I was sure the tank was good. This was a Goulds V80 tank, if that makes any difference in terms of design. Definitely very good longevity.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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