17. T he first balusters (C12) of the long side of every tread (L19, L20) have to be cut.
18. T ighten the part C28 completely, by using the part B02 (fig. 1). For a correct assembly twist the
key at about 90° from the contact point.
Final Assembly
19. C ontrol the vertical line of the whole stair and, if necessary, correct it by moving the support N16
(fig. 1).
20. D isassemble the first tread (L19 or L20) and drill the floor with a Ø 14 mm tip in relation to the
present holes on the support N16 (fig. 1).
21. I nsert the parts C39 and tighten completely (fig. 1).
22. R eassemble the first tread (L19 or L20) and fix on the floor, in relation to the first baluster (C12),
the part F01, by drilling with a Ø 8 mm tip. Use the parts B11, B12, B83 and B02 (fig. 1).
23. I nsert the baluster (C12) and tighten the part B02 (fig. 1).
After you have finished assembling the staircase,
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