Prebena DRUCKLUFT MOBILO Manual Del Usuario página 55

Screw the compressed air cartridge hand-tight into the thread of
fitting (8).
The pressure gauge (9.) on the fitting for the compressed air
cartridge now shows the pressure currently prevailing in the
cartridge. The pressure equipment is ready for operation when the
pointer of the pressure gauge (9.) is in the green part of the scale.
The pressure gauge (6.) for the operating pressure displays the
current operating pressure.
Preparing the pressure equipment
17