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.
The answer depends on how advanced the case is. A person who is in the advance stage of Alzheimerâs Disease may only have a few months to live before the body succumbs to a secondary infection. A person who has the beginning stages can last between four years to four years and five months. Dementia in General.