probst SVZ-ECO-L Instructions D'emploi page 53

Adjustments
5.1.1 Adjusting the gripping range (NW) for rectangular manholes

Ex.: NW 1200 mm
5.1.2 Adjusting the gripping range (NW) for manhole rings
Ex.: NW Ø 1200 mm
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When adjusting rectangular manholes, the marking notch () must be in line with
the rectangle symbol (), see Fig. 2.
In the NW control box (on the movable suspension) the same nominal width
number (here example NW 1200) must be visible, see Fig. 3.
Fig. 2
When adjusting manhole rings, the marking notch () must be in line with the
nominal diameter number (here example NW 1,200l (), see Fig. 4
In the NW control box (on the movable suspension) the same nominal width
number (here example NW 1200) must be visible, see Fig. 5
Fig. 4
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Fig. 3
Fig. 5
GB