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.
Rate of progression through Alzheimer's disease stages. The rate of progression for Alzheimer's disease varies widely. On average, people with Alzheimer's disease live eight to 10 years after diagnosis, but some survive 20 years or more. Pneumonia is a common cause of death because impaired swallowing allows food or beverages to enter the lungs, where an infection can begin.