I have a Berkeley pump that I want to service.I have heard two things that the bowl can have greas or oil in the bowl which one is the better way to go and how much
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Berkeley has always used 90wt gear lube.
Grease is for rolling element bearings (like the thrust bearing).
If the bowl shaft seal is in good condition (indicated by very little water mixed with the bowl oil), I recommend gear lube.
If the bowl seal is failed, indicated by almost all water in the bowl oil area, you could use grease. With that said, the seal should be replaced.
GT
