Cylinder filled with butane gas, net weight 227g.

Changing the gas cylinder: Change the gas cylinder in a well-ventilated place without ignition sources. Close the gas valve/valve of the gas appliance. Remove the gas cylinder from the device. Replace the oil seal if the seal is damaged or missing. Align the notch on the collar of the gas cylinder with the notch/pointer/lock on the device. Install the gas cylinder in the device, do not use excessive power.