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8.3 Adjusting the backrest
CAUTION! Adjusting the seat tilt or the backrest angle changes the geometry of the
mobility device and directly influences its dynamic stability!
• For details regarding dynamic stability, negotiating gradients and obstacles and the correct
adjustment of seat tilt or backrest angle, please see chapters "Taking Obstacles" on page 34
and "Driving up and down gradients " on page 35.
8.3.1 Adjusting the backrest angle using the perforated plate (standard seat)
• Unscrew the handscrews (1) on both sides.
• The backrest can be set by selecting a
combination of one of the two drillholes in the
backrest frames and one of the six drillholes in
the fixing plate.
• Reposition the screws and tighten.
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