Compressor oil failures

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11 thoughts on “Supermarket rack refrigeration, troubleshooting oil problems, bad compressor valves Part 1.

  1. Steve P says:

    Thanks bro! I appreciate the encouragement, I will soon, sorry the quality stinks. I never recorded the second part, I just replaced the gaskets and valves held tight.

  2. adam miller says:

    The first thing I would do, is put a low pressure gauge on the suction and one on the oil feed line. There must be a min. of 5 lbs higher on the oil feed line to allow the oil to enter the compressor. Some racks use 10 or 20 lbs difference on the oil feed line. These Carlys have a oil pick up screen which is a bitch to get at.

  3. Gregory Clemen says:

    I have been doing refrigeration work for 43 years, I noticed that there is no" OIL SEPARATORS" on this equipment(need one for each compressor), that is an absolute must for condensing units that are higher than the evaporators( or long line sets). poor oil return will be the result, and it is really bad on low temp freezer systems( low suction pressure). also you do not want oil in the evaporators, it acts as a wonderful insulator, poor heat transfer will result, causing "FALSE LOADING" on the rack system/ T.X.V. hunting!!!!. I am not a big fan of multiple compressors operating one evaporator/ multiple evaporators that are all tied to one line set, all for the sake of "LOAD MATCHING". there is too much to go wrong, like a compressor burn out that contaminates the entire system!!!!

  4. hg2 says:

    Thanks for making, but it's like a big "in joke". As a newbie, I don't know what you're talking about most of the time. Yes, it exposes me to things I don't know, but it's more like shop talk among the guys over a Friday beer.

  5. hg2 says:

    Too sketchy and "slangy" for beginners.

    Someone could redo this video with multiple stops-for-explanation to explain the mechanics and vocabulary of what's being said.

    As with many videos like this, if you can understand what's being said, you don't need to watch it.

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