Reasons for the increase in compressor crankcase oil level
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During the operation of the compressor, the oil level in the crankcase keeps rising for no apparent reason; it increases by 2-3 cm over a period of about 1 month. Various aspects have been checked, but no problem has been identified to date. Please give some advice
Is the water-cooled heat exchanger in the lubricating oil pipeline leaking? Then the water entered the oil
Is the moisture level in the lubricant sample analysis excessive? Does the oil level mentioned by the poster refer to the actual liquid level, and not the level including bubbles?
Leakage or temperature rise – only two possibilities.
I guess it’s—the fuel tank breather valve is clogged.
Maybe water got into the oil, causing it to emulsify； It’s also possible that the oil temperature is a bit high
The oil test results are satisfactory, so it’s probably not leaking
What gas is the medium, and has the medium leakage caused condensation at the dew point?