
20
0
R33
5.5
Detecting and repairing defects
The daily use of the wheelchair, new adjustments or changed requirements may result in defects which can be repaired.
We recommend that the adjustments should be carried out by your authorized dealer.
Defect Possible
cause
Remedy
Wrong air pressure in one of the rear wheels
Correct air pressure (Chapter 5.2)
One or more spokes are broken
replace defective spoke(s)
Spokes are not equally tightened
Tighten the loose-fitting spokes
Wheelchair does not roll straight
Front wheel bearings dirty or damaged
Clean or replace bearing
Rear wheel mounted too far to the front
Mount rear wheel further back (only possible with rear
wheel extension)
(Chapter 6.4)
Wheelchair tips too easily
Backrest angle too large
Reduce backrest angle (Chapter 6.3)
Poor or asymmetric brake grip
Wrong air pressure in one or both rear wheels
Correct air pressure (Chapter 5.2)
Rear wheels are off track
Change track
Rolling resistance is very high
Wrong air pressure in the rear wheels
Correct air pressure (Chapter 5.2)
Front wheels vibrate when driving
fast
Tension at front wheel bearing block too low
Tighten nut at bearing block axle slightly
Seat cover loose
Fixation fatigued or ripped off
Replace seat cover