Replacing The Tube (Pneumatic Tyre); Seat Adapter; Replacing The Seat Adjustment Mechanism (Porter Cylinder) - Otto Bock kimba neo Service Manual

Service Work

3.5.2.6 Replacing the Tube (Pneumatic Tyre)

1) Remove the wheel (see Page 10) and let out the air if required.
2) Using a tyre lever, remove the casing from the rim (see Page 11).
3) Replace or repair the tube (see Fig. 14, Pos. 2; see Fig. 15).
4) Fill the inner tube with a small amount of air before mounting in order to avoid damage and pinching.
5) Install the casing on the rim with a tyre lever.
6) Reinstall the wheel (see Page 10).

3.5.3 Seat Adapter

3.5.3.1 Replacing the Seat Adjustment Mechanism (Porter Cylinder)

1) Remove the Bowden cable from the porter cylinder:
→ Cut off the cable end sleeve (see Fig. 16, Pos. 1).
→ Loosen the screw die.
→ Remove the spring and Bowden cable guide (see Fig. 16, Pos. 2/3).
→ Unthread the Bowden cable on the Porter cylinder.
2) Unlock and remove the spring folding bolt on the Porter cylinder (see Fig. 17, Pos. 1).
3) Remove the retaining ring (see Fig. 17, Pos 2) and the bearing journal.
4) Remove and replace the Porter cylinder.
5) Install the Porter cylinder with the mounting materials provided (see Fig. 18). Note the following:
→ Apply oil/grease to the bearing journal prior to installation (see Fig. 18, Pos 1).
→ The piston rod of the Porter cylinder must not be lubricated (see Fig. 18, Pos 2).
→ Note the Bowden cable guide between the seat adjustment mechanism and the Porter cylinder (see
Fig. 19, Pos. 1).
6) Conduct a functional test. Pay particular attention to the functionality of the seat tilt feature and the seat tilt
mechanism in the tilted position.
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