Thank you all for the great responses. I have attached drawings as some have suggested (Will it accept two??)
The manufacturer has not heard of any other reports of this happening with any of there other installations. The pump is a 150 hp Yeomans Dry Pit Submersible, series 9235
JJPellin: I...
I have a duplex sewage pump station rated at 1,200 gpm pumping against 250 feet of head. Over the past year, both pumps have had the impeller nuts loosen to the point where the impellers dropped and contacted the wear rings on the volutes. Manufacturer stated that impeller nuts are lock nuts and...
