Invacare TDX-SP Service Manual page 108

SERVICE MANUAL
Removing the tyres:
● Remove the wheel as described in Chapter 8.13.1.
ATTENTION: Explosion hazard!
There is considerable pressure in the tyre. Danger of injury! Parts can be thrown out and
injure you if you do not evacuate all the air from the tyre.
● Press the release pin in the valve inwards and evacuate all the air from the tyre.
● Remove the valve cover (4).
● Press the release pin in the valve inwards and evacuate all the air from the tyre.
● Loosen the five 7/8" Allen screws (2) on the inside of the wheel.
● Remove the inside (3) and outside ring (1) on the wheel rim from the tyres (5).
● Replace any defective or worn parts.
Refitting the tyres:
● Refit the tyres onto the wheel rim in reverse order.
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.
● When putting the rim rings back together, ensure that drillholes and threads for the bolts are
exactly over each other.
● Tighten the Allen screws (2) to 18 Nm.
● Inflate the inner tube to the specified air pressure.
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Invacare - TDX-SP / TDX-SP N