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• Undo the four Allen screws (1) with a 5 mm Allen key.
• Remove the screws together with the Nord-Lock lock washers.
• Undo the Allen screw (4) with a 5 mm Allen key.
• Remove the screws together with the washers.
• Pull the motor/transmission unit (2) out of the mounting (3) in a forward direction. In doing so,
please observe the high weight of the unit.
Refitting the motor/transmission unit:
• Replace the defective parts.
• Refit the motor/transmission unit in reverse order.
• To conclude, check all the mobility aid functions.
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