GIERRE Modula AL445 Manuel D'utilisation Et D'installation page 18

5. Cross bar installation -
1.
max 15 cm
4.
6.
18
only for Hailo HobbyLOT models
2.
max 52 cm
5.
max 52 cm
7.
3.
Let the middle section slide upwards,
unti the last rung is positioned on
the level joint. Then open the ladder
in double position.