Klarstein ARIA SMART Manual Del Usuario página 60

EN
60
To remove the multifunction knife, proceed as follows:
1 Place the blender jar in the correct orientation onto the unit base and secure.
2 Grasp the top of the blade post, press down firmly, rotate clockwise, and then
pull straight up to remove.
Note: The blender jug must be firmly seated on the base of the appliance,
otherwise you will not be able to remove the blade.
Dough hook
The dough hook is mainly used for kneading dough.
Note: Do not use the dough hook above speed 3.
To install the dough hook, do the following:
1 Place the blender jar in the correct orientation onto the unit base and secure.
2 Grasp the top of the blade post.