Oiling issue in the rotor pump bearing chamber
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Rotor pump – For external oil-lubricated bearing chambers, a visible constant-level oil feeder with a capacity of 0.12 L or more shall be provided. The oil container must be made of heat-resistant glass and equipped with a metal guard, as well as mechanisms to prevent over-feeding of the bearing chamber. How many measures are there for overfilling?
I can think of only two: instrument detection alarms and observation of structural overflows
A vent hole should be drilled at the oil level position in the bearing housing, with its lower edge aligned with the oil level. When refilling, unscrew the plug at that location, pour in the oil; the oil will flow out from there, so stop pouring once the flow stops. Once no more oil is coming out, screw the plug back on.