DuoControlOperation
46 EN
50020-00984 ∙ 00 ∙ 08/2022
4.3 Changing the gas cylinder
Use the included screw aid to attach and remove the high-pressure
hose� The screw aid helps you generate the necessary tightening
torque and prevents damage to the union that may otherwise result
from using an improper tool�
WARNING
Risk of fire and explosion hazard due to residual gases
Residual gases may escape and form a flammable gas mix-
ture with the air when the cylinder is changed�
Do not use any naked flames or open fire�
Do not smoke�
4.3.1 Gas cylinder with cylinder valve
Close the cylinder valve of the empty gas cylinder�
Unscrew the high-pressure hose from the cylinder valve with the
screw aid�
Replace the gas cylinder�
Screw the high-pressure hose onto the cylinder valve of the full
gas cylinder with the screw aid�
If a gas filter is present, change the filter pad (see the operating
instructions for the gas filter)�
Open the cylinder valve of the full gas cylinder�
If available, press the hose rupture protection on the high-pres-
sure hose�
Set the control knob on the gas pressure regulator to the full gas
cylinder (operating cylinder)� To to this, turn the control knob 180°
to the stop position�
Turning it to the intermediate position causes a simultaneous
withdrawal of gas from both gas cylinders� The intermediate
position should be avoided�
If necessary, press the black reset button on the gas pressure
regulator and gently turn in an anti-clockwise direction�
To Next Page
Loading...
