| 1. Turn off the cylinder air supply by turning the cylinder valve hand-wheel clockwise until it stops. 2. While observing the submersible pressure gauge, depress the purge button of the second stage. When the gauge reads zero and airflow cannot be heard from the second stage, release the purge button. 3. Turn the first stage handwheel anti-clockwise to loosen and remove the first stage from the cylinder valve. 4. Blow out any water inside the protector rap or wipe it out with a soft cloth, and wipe the threads of the first stage connector clean and dry. Install the cap over the threads of the first stage connector. |