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The hardness of the suspension can be modified by
fitting the powerchair with a different type of springs.
However, this work should only be performed by an
authorised Invacare Dealer!
By turning the knurled nut (1) a fine adjustment the
hardness of the springs can be additionally achieved.
The clearance (2) between the knurled nut and the end
of the thread should always measure between 11 and
20 mm.
The suspension should be adjusted harder in the front
than in the rear. The left and right sides should be
evenly adjusted.
• Take the load off of the spring by propping up the
wheelchair.
• Adjust the hardness of the spring by turning the
knurled nut (1).
• Repeat the procedure on the other side.
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