Adjusting The Seat Width (Vas Seat) - Otto Bock B-Series Service Manual

Service work
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4.14.3

Adjusting the seat width (VAS seat)

f Prerequisites:
Switch off the control unit and deactivate the main fuse (see Seite 12).
Remove the seat cushion and back padding.
f Tools: Allen wrench size 3, 6; open-ended or ring wrench size 13; torque wrench with Allen insert size 3, 6
1) Loosen the back upholstery (see Seite 64).
2) Remove the seat plate (see Seite 45).
3) Loosen and remove the 4 screws on the adjustment tubes (see Fig. 86, item 1).
4) Loosen and remove the 8 screws and nuts on both connecting tubes on the back (see Fig. 87, item 1).
5) Adjust the seat and back width as desired. To do so, slide the seat bars symmetrically in the adjustment tubes.
6) Insert the 8 screws and nuts into the appropriate slots in both adjustment tubes on the back and firmly tighten
them (see Fig. 87, item 1).
7) Insert the 4 screws into the appropriate slots on the adjustment tubes and firmly tighten them to 10 Nm (see Fig.
86, item 1).
8) Loosen the 2 screws in the seat plate segments and adjust the seat plate to the new seat width (see Fig. 88,
item 1).
9) Insert the 2 screws for the seat plate segments into the appropriate slots and firmly tighten them to 4 Nm (see
Fig. 88, item 1).
10) Install the seat plate (see Seite 45).
11) Readjust the back upholstery (see Seite 64).
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B-Series