How to change the cylinder during the experiment?

The correct method of replacing the gas cylinder:

(Note: Check if the gas cylinder is leaking)

  1. Close the main valve of the cylinder clockwise,

2. Rotate the pressure reducing valve knob 2 turns counterclockwise to remove the pressure reducing valve;

3. Install the pressure reducing valve to the new gas cylinder, fully open the main valve of the cylinder counterclockwise,

4.Step on the foot switch to boost the pressure twice,

5.Rotate the pressure reducing valve clockwise to 0.4-0.6Mpa.