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of your regulator and tighten the yoke screw until it is finger tight (figure 3-71). If you have a DIN regulator, screw in the dust cap. 6. Remove your BC from the cylinder. 7. Turn the BC upside down so that the power-inflator hose attachment point is the lowest point. This will allow any water in the BC to drain down into the power-inflator hose. 8. Press the deflator/oral inflator valve button to allow the water to drain out of the power-inflator hose. 9. Rinse your equipment with fresh water and allow it to dry completely before storing it. NAUI Scuba Diver 90 Diving Skills FIGURE 3-68. PURGE THE AIR FROM YOUR REGULATOR AFTER YOU HAVE TURNED OFF YOUR CYLINDER. FIGURE 3-69. THE YOKE SCREW UNSCREWS EASILY ONCE YOU HAVE PURGED YOUR REGULATOR. FIGURE 3-71. REPLACE YOUR DUST CAP OVER THE FIRST STAGE AND TIGHTEN THE YOKE SCREW FINGER TIGHT. FIGURE 3-70. BE SURE TO DRY THE DUST CAP.


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