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Evaporative Line Check

  1. Disconnect evaporative hose from canister. Connect detached hose to a "U" tube type pressure gauge filled with water. See Fig 1 .
    Fig 1: Evaporative Line Test Use "U" tube pressure gauge.
    G34047
  2. Gradually apply low air pressure into "U" tube so that difference of water level reaches 14" (356 mm).
  3. Bind inlet of "U" tube and leave bound for 5 minutes. If water level drops no more than 1" (25 mm) after 5 minutes, evaporative line is in good condition.
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