12) The torch is now ready for use.
13) When finished using, first shut off the gasoline
valve.
14) Close the oxygen mixing valve after the flame is
extinguished.
15)Open the oxygen cutting valve for 1 second to
purge the hose.
16)Open the oxygen mixing valve for 1 second to
purge the oxy-gasoline tube and torchhead, and to
help keep the tip clean.