Quote:
Originally Posted by 10/10ths
A mechanic that I trust on these machines told me that the manometer test is really useless.
The AOS can fail without warning.
The membrane is either good or it’s not.
Just R&R it every four years.
Cheers!
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Strange, using this "useless test", we have correctly diagnosed and replaced many failing customer AOS units before they could fail catastrophically and potentially kill the engine...………...
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
Last edited by JFP in PA; 03-10-2020 at 02:35 PM.
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