undo t 5 bolts, remove lower unit, remove pump cover, slide old impeller off & replace with new one. Mske sure wesr plates & gaskets are good & replaced in correct order. put a little grease on top of unit & that's it.
The symptoms of Alzheimer's disease worsen over time, although the rate at which the disease progresses varies. On average, a person with Alzheimer's lives four to eight years after diagnosis, but can live as long as 20 years, depending on other factors.
Alzheimer's disease is one of the top 10 causes of death in the United States. According to the Alzheimer's Foundation of America, the disease usually progresses over anywhere from two to 20 years. People diagnosed with Alzheimer's typically live an average of eight to 10 years from their time of diagnosis.