Welcome to the Airforums, and the adventure of owning an Airstream. I know there is at least one other member here from the Netherlands who post frequently, and there are several from other parts of Europe. I am sure there is someone here familiar with your model who will have answers for you soon.
Craig and Carol
1997 34' Excella 1000
1970 27' Overlander, International
2009 Ford F150 5.4L
ProPride hitch with 1400# bars
Past President Southeastern Camping Unit (12)