Invacare Electric wheelchair - Manual (Page 28)

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5.2.5 Safety information when ascending obstacles
CAUTION: Danger of Tipping Over!
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Never approach obstacles at an angle!
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Put your backrest into an upright position before climbing an obstacle!
CAUTION: The wheelchair can be damaged if an obstacle is approached at excessive
speed.
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Always approach obstacles at low speed! As soon as the front wheels come into contact with
the obstacle, stop for a short period before driving over the obstacle! Wheelchairs fitted with
centre drive have a special mechanism (Walking Beam) for overcoming obstacles.
Approaching at speed can actually lead to mechanical damage.
5.2.6 Safety information when descending obstacles
CAUTION: The wheelchair can tip over to the front when descending from an obstacle that
is too high as there can be spring deflection of the front swivel wheels.
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Please pay particular attention to tilt resistance when driving down off an obstacle!
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If available, please set your seat tilt to a greater value than normal!
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The maximum obstacle height refers to ascent as well as descent. Never descend from
obstacles that are higher than those you may ascend!