Remove the nut from the wheel shaft. Slide the wheel onto the wheel shaft - the spacer is already installed
in the wheel at the factory. Tighten the nut to hold the wheel in place.
3.2.3. Flexible cover
Remove 4 groups of M5x10 screws and flat washers from the cover and set them aside for later. Align the
holes in the flexible cover with the holes in the housing cover, and fix it with a set of M5x10 screws and flat
washers in four places.