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.
What are the symptoms of Alzheimer's Disease in people with Down syndrome? In people with Down syndrome, the first symptoms usually develop at age 50 years, and the disease is usually diagnosed by age 52 years. Death occurs at an average age of 60.11 years. The time from the first symptoms of Alzheimer's disease to death is usually about 9 years.