Squeaks and groans used to ring through the halls of the Racine Water Treatment Plant, indicating severe bearing wear and warning of impending shaft breakage. Repairing broken shafts and maintaining grease-lubricated bearings at the plant required a lot of effort. The affected basin would be shut down for four to six weeks, with three people working to fix the
shafts and grease the bearings. The cost to the plant was 960 man/hours (24 man/
weeks) per year... Read more