Lubricating oil
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The oil looks like it has gone bad. What’s the situation with those bubbles?
Emulsified, contains water. It is recommended to replace it with lubricant of the same type to ensure thorough cleaning!
Hehe, when did you notice the difference? Has it always been like this or was it just discovered recently?:) It can be said that this situation isn’t related to an oil quality test, so it can’t be considered abnormal. It seems to be working normally; the oil – no problems. Use it with confidence. If you want to check whether there is water in the oil, you can use a bottle of pure water at the bottom to collect some and observe it while it stays still to see the result. Emulsified oil is not like this.
This is the pump running nearby. It looks very clean
We have this problem too; reducing the oil pressure helps a bit, but the main issue is still air intake
1. Lubricating oil contains water; 2. If the material of the bearing cage is bakelite or polyamide nylon, the cage wears out; 3. Rust forms inside the bearing housing. Drain the oil, clean the tank, and refuel it. The lubricating oil has not emulsified.
Check whether the oil slinger is near the sight glass in this situation; if the oil level is a bit high, lower it and see the effect. This must be an AY centrifugal pump.