Replacing The Wheel Attachments For Wheels With Quick-Release Axle - Otto Bock Discovery tmax Service Manual

Service Work
→ Ensure that the quick-release axle is seated in the wheel attachment so it is free of play. If this is not the
case: shorten the quick-release axle. In order to do so, turn the hexagon nut on the quick-release axle
clockwise in small increments.
→ Ensure the thread length on the adjustment nut is sufficient.
Replacing the Rear Wheels with Threaded Axle
1) Remove the cover cap from the nut.
2) Loosen and remove the threaded axle (see Fig. 51, item 1).
3) Remove and replace the rear wheel.
4) Slide the threaded axle through the rear wheel (see Fig. 52, item 1).
5) Slide the ½" adapter onto the threaded axle from the inside with the wide side first (see Fig. 52, item 2).
6) Slide the rear wheel onto the rear wheel adapter.
7) Put on a washer from the inside (see Fig. 53, item 1) and coat the threaded axle with "strong" liquid thread
locking compound.
8) Thread on the hexagon nut (see Fig. 53, item 2) and tighten it to a torque of 23 Nm. The wheel must be free of
play and turn easily on the rear wheel adapter.
9) Slide the cover cap onto the nut from the outside.

3.11.2 Replacing the Wheel Attachments for Wheels with Quick-Release Axle

CAUTION
Prohibited changes of the wheel size/installation position
Risk of injury or damage due to altered driving characteristics or breakage of load-bearing components
► Only replace wheels with wheels of the same size and use the previous installation position. Changes could
have incalculable effects on the stability of the product when driving.
1) Remove the wheels (see Page 23).
2) Loosen the hexagon nuts on the wheel attachments (see Fig. 54, item 1; see Fig. 55, item 1).
INFORMATION: The manufacturer recommends replacing both wheel attachments at the same time.
3) Remove and replace the wheel attachment.
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discovery tmax