Vent the gas. Vent the gas in the regulator and/or system, or isolate the system, and vent the gas in the regulator by turning the adjusting knob clockwise so that no pressure is trapped inside the regulator.

• 排出气体。排出调整器和/或系统内的气体，或者把系统隔离开再通过顺时针旋转调整钮排出调整器内的气体，这样调整器内就没有截留的压力。