Costway SP37675 Manual Del Usuario página 11

STEP 2
Place the rear leg assembly (10) under the semicircular piece of the rear
foot base(8), and then fix it with the cap nut (19) and flat gasket (3).
Place the rear foot base 8# under the aluminum rail, and then fix it with
the hexagon socket flat head screws(13), the flat gasket(11) and the
spring washer(12).
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