ATTENTION: Explosion hazard!
If the wheelchair is fitted with pneumatic tyres, the wheel can explode if the air is not
released from the tyre before removing the wheel!
• Always release the air from the wheel before you remove it. Depress the small tappet in the
centre of the valve!
CAUTION!
Material damage hazard. The valve can become blocked by the puncture protection gel and
be unusable!
• During the following work you should always hold the valve up so that the puncture protection
gel cannot enter the valve.
• Remove the valve cover (2).
• Press the release pin in the valve inwards and evacuate all the air from the tyre.
• Undo the five 6 mm Allen screws (4) on the inside of the wheel.
• Remove the inner (3) and outer (6) ring of the rim from the tyre (1).
• Replace any defective or worn parts.
Refitting the tyres:
• Refit the inner tube in the tyre.
Note
If the old inner tube is to be repaired and re-used, and has become wet during repair, you can
make replacement easier by sprinkling the inner tube with a little talcum powder.
• Refit rim rings (3) and (6) to the tyre. Please ensure that the boreholes and thread for the
screws are exactly above each other.
• Fill some air into the inner tube.
• Refit the five Allen screws on the inner side of the wheel and tighten them.
• Check the exact fit of the tyre on the rim.
• Inflate the tyre to the prescribed air pressure.
• Re-check the exact fit of the tyre on the rim.
• Screw the valve cap back on.
• Refit the wheel.
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