How to make a connection:
Cut the tube square. If using soft metal tube remove burrs and sharp edges. Ensure the outside diameter is free of score marks.
Push tube into fitting up to tube stop.
Tube may be gripped but not sealed if tube is not fully inserted.
Pull on the tube to check it is secure. Test the system before use.
Do not allow contact with cellulose based paints, paint thinners or strippers, solder flux or acid based descalents or aggressive household cleaning products.