johns album

  1. new ADV cover.  local engineer machined it from acetal.
  2. my counterlung counter weights!
  3. single scrubber installed
  4. negative test - ok
  5. detail of gas feed to ADV.  used ham-let s/s twin ferrule 8mm OD to 1/4" npt fitting.
  6. wing and split harness
  7. checking height of casing and ADV reach test
  8. original gauge with bsp to 7/16th UNF fitting
  9. manual add valve
  10. gas addition feeds
  11. positive test ok
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