probst HVZ-ECO Operating Instructions Manual page 74

Adjustments 24 / 41
Facing bedding sand (Planum)
Adjust the adjusting „A" und „D" at the main gripping Remove safety clip at the bolt (see Fig. 16+17).
corresponding to the length of the stone layer  see
adjustment sticker at the device (laying side).
Planumseite
Fig. 16 Fig. 17
Adjustment sticker
Fig. 18
51400034 V3 GB