o-ring shrinkage?

Discussion in 'Fettling Forum' started by elcarlstono, Mar 13, 2023.

  1. elcarlstono

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    @JP2 that flat side inserts/locks into the cap cover so it can twist it off the tank . I'm not positive yet but I'm fairly certain this knob is not threaded.
     
  2. JP2

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    I see !!!!!!