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.
Fast facts on Alzheimer's disease. Here are some key points about Alzheimer's. More detail and supporting information is in the main article. 1  Alzheimer's disease is the most common type of dementia. 2  The term dementia describes a loss of mental ability associated with gradual death of brain cells.3  There are an estimated 5.3 million Americans of all ages with Alzheimer's disease.or this reason, and because symptoms could signal any of a number of diagnoses, it is always worthwhile seeing a doctor. Alzheimer's disease is a neurological disorder in which the death of brain cells causes memory loss and cognitive decline.