1 . First loosen the nut of the middle rotating cover so that the sealing ring can hardly run, then adjust the short pipe, adjust the specification better, then adjust the connector, remove the nut of the nut, make the pipe eccentric, make the nut head point to the pipe flange hole, then carry out one end assembly.
2 . The nut filling pressure should be symmetrical and tighten gradually, then install the flange at the other end .
3 . Symmetrically and slowly jam the nut properly.
