Before replacing the upper com-pression plate, make sure the lung bags are connected to the tracheal tube extending from the lower portion of the neck of the Airway Management Trainer head.Position the upper compression plate over the springs so that each of the springs fits up into a cylinder on the bottom of the upper com-pression plate. (See figure 3.)Place the lung bags through the hole in the center of the upper compression plate so they rest on top of the plate. (See figure 4.)
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