De Dietrich DRS1624J Manuel D'instructions page 28

Reverse Door
Rotate freezer door and place hinge side at left side. And then fix the
5.
door by holder.
Remove bottom hinge pin from right to left.
6.
Unscrew top hinge pin from the hinge. Then turn the hinge over and screw hinge pin.
7.
Re-fit the door and then upper hinge on left side. Ensure the door is
8.
aligned horizontally and vertically, so that the seals are closed on all
sides before finally tightening the upper hinge. If necessary, use a
spanner to tighten the hinge.
10