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.
Jan. 10, 2008 -- The average survival time for people diagnosed with dementia is about four and a half years, new research shows.Those diagnosed before age 70 typically live for a decade or longer.In an effort to learn more about survival characteristics among patients with Alzheimer's disease or other dementias, researchers from the U.K.'s University of Cambridge followed 13,000 people who were aged 65 and older for 14 years.an. 10, 2008 -- The average survival time for people diagnosed with dementia is about four and a half years, new research shows.