Quote:
Originally Posted by leathermang
I do not agree with using an old refrigerant pump...but you seem to know enough about the physics of the system to answer these "questions" :
Why was there not a ' bung hole ' there in the first place ?
What happens to the system , the oil, etc long range if you install a bung hole?
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There is no bung hole because there is no reason to change the oil in a refrigerator compressor. Most of them run without service for their useful life.
Soldering a bung hole to the case takes the same care as soldering onto the lines. You should fill the system with nitrogen so that the material on the inside does not oxidize.