ITW EXIT1 o-ring replacement is fininshed today. The ITW EXIT 1 is back to ITW. The old o-ring lost most its elastic property and changed to stiff sqaure shape inside the slot.The flange surface around the o-ring slot was dirty. I cleaned the o-ring surface completely before putting the new o-ring . Everything should be fine now. There will be a leak check late on this new installed o-ring.
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