8.9.3 Replacing the drive wheel hub
CAUTION!
Possible material damage to mobility device! Collisions can be caused if the adjusting
washers are removed during fitting work to the drive wheels!
• Adjusting washers are often fitted between the drive shaft and the wheel hub to even out
tolerances. If these adjusting washers are removed and not replaced again, collisions can be
caused.
• Always replace the adjusting washers exactly as they were before you started dismantling.
Requirements:
Uninstalling a drive wheel hub:
• Use the 19 mm socket wrench to loosen and remove the nuts (7).
• Remove the washer (6).
• Remove the distance ring (5).
• Pull the wheel hub (4) off of the axle (2).
• Remove the shim ring (3).
• Remove the feather key (1) from the axle.
Installing a drive wheel hub:
• Assemble the parts of the wheel hub in reverse order.
• Use a thin film of lubricant to replace the wheel hub on the axle.
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