probst HVZ-ECO Instructions D'emploi page 97

Adjusting the gripping height
5
(for Version A + B)
Back Back
Back
Front Front
Front
middle
in the lower in the lower
third third
Height adjustment
6
(for Version A + B)
Pushing Off Device ADV (A + B)
7
Supporting wheels (A + B)
8
middle
2 – 4 mm