3.Connect the lower stand(5) tube to the upper stand(4) tube by pull pin (9).
4.Make the connecting line(44) go through stand tubes.
5.Connect the line of the main body to the connecting line(44) that go through the stand
tubes.
6.Connect the lower stand tube (5) to the mian body with Inner hexagon screw M8x20 (43)
and Arc-shaped washer (49).
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