What causes water droplets to form on the crankcase cover of a high-pressure injection pump?
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On the high-pressure water injection pump in our unit, water droplets form on the crankcase cover after a short period of time, and this leads to the emulsification of the lubricating oil over time. I checked the skeleton oil seal as well, and no lubricant was leaking out; I hope experts can help analyze the reason
It might be due to the temperature difference between the inside and outside.
1. Conduct routine analysis on the lubricating oil to check if the moisture level is high. If it exceeds the standard, thoroughly clean the crankcase and replace the lubricating oil. 2. Check the crankcase air breather valve to prevent rainwater or cleaning water from entering through the valve pathway. 3. In humid environments, due to the high moisture content in the air, condensate or oil emulsions may form inside the tank; this can be addressed through condensate drainage checks or the use of filters for drainage. I’m not sure about the specific model you’re using; I’m just guessing randomly. It’s best to have drawings available for analysis.