VEVOR FBL760598 - Page 7

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2. As shown in the figure, the assembled left front main frame ①, left rear main
frame ②, right rear main frame ⑧, right front main frame ⑨ are installed into the
armrest tube ⑩, so that the marbles of each main frame are ejected normally.
3. Insert the assembled left and right main frames in alignment with the tube
openings of the seat frame tube display as shown.