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6.6 Changing the Gas Cylinder
The empty indication of the dosing unit shows when the minimum
pressure of the gas cylinder is reached. Then the cylinder must
be changed
While the system is running:
•
Close the cylinder valve.
•
Let the system run until the measuring tube shows no more
gas flow.
•
Close the rate valve.
•
Switch off the motive water of the injector.
•
Close the motive water valves.
•
Close the shut-off valve at the injection unit.
•
Unscrew the device from the connection of the gas cylinder.
•
Screw the protective cap onto the empty cylinder, move it
away and protect it against falling down.
•
Place the new gas cylinder and fix it correctly.
•
Remove the protective cap from the new gas cylinder.
– All connections must be absolutely clean and dry
•
Insert the gasket at the pressure connection of the device.
– Replace the filter, if necessary.
•
Screw the device onto the connection of the cylinder
•
Check the tightness.
•
Re-start the system.
Warning
Put on the prescribed safety equipment!
Warning
Never re-use used gaskets! Replace the gaskets
at any change of gas container!
Never use the device without the filter!
Caution
Do not align the device by turning the housing!
If necessary, hold up with a fork wrench size 13!
Warning
Before re-starting: Check the tightness!