testing a Fisher MR98H

Hi

What is the right way to adjust/test a Fisher MR98H valve? What is good/bad/off spec
What about oscillation and avoiding it?

Thank you
 
Thank you very much but the video is very basic. No info about flow/pressure; testing setup; oscillation etc.
btw We always place a gasket under the blocking nut to prevent water seeping in
 
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