Posted by Texasmark1 on July 22, 2020 at 15:54:53 from (172.243.92.145):
Going to start with this short then expand as necessary.
I only have 150# across my compressor (15-165#) when testing per the manual at 1500 rpms. Manual says I should have more like 200 (25-225)on a 90* day . Dryer was replaced, vac pulled 26" 30 min, new 134a fill to at least 95% max. Cab hot, condenser coil right at ambient.
I think my expansion valve is opening because once turning off the system, it takes 2 minutes for the system pressures to stabilize to 110#. If it were closed would it do that so fast? What would be the path? Do compressors in serviceable condition block freon when off? I would expect so since they build pressure through the same ports/mechanisms.
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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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