[AT] cub / prime oil pump

[David Myers]

--- DAVIESW739 at aol.com wrote:

> Positive  displacement means that it will pump air
> as well as oil if it 
> doesn't then you  need to replace or repair the
> pump, simply priming it will not 
> repair it.   

Walt, you are terribly mistaken.  Self-priming and
positive displacement are NOT one and the same.  I
have been bending wrenches professionally for over 30
years now and priming an engine is a GOOD thing. 
Remember, until the pump does it's thing none of the
rotating parts will have oil flow.  No oil, damaged
parts, period.  Even a self-priming pump will have a
lag time.  Your choice then, a couple of minutes of
preventive effort or internal damage (maybe minor,
maybe not).
And yes, I have to admit laziness in this area also,
but with knowledge of the particular engine and also
the consequences.  
If a pump won't stay primed, that is a totally
different matter.
Dave

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