Re: First the AI, then the DG, then...?

"Jay Honeck" <[EMAIL PROTECTED]> writes:

>As a precaution
>(I'm assuming some sort of contamination caused the second failure), I've
>ordered new vacuum hoses -- enough for my A&P to replace all the hoses, from
>the vacuum pump to the firewall, and from the firewall to the two vacuum
>instruments.   I'm also having him replace all the filters.

A somewhat dumb question. Each vacuum-driven instrument has its
own input filter, correct? The hoses and pumps are then all downsteam
of the instrument.

Does garbage really migrate upstream into the expensive toys? (And
if so, you'd thunk someone would add a inline filter between the
toy and the common vacuum line..) 

Education welcomed.
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