10. Connect the 4 adjustable angle iron brackets with the housing using M4*12mm
machine silk screws. Lift up the housing and use M4*12mm machine silk screws
and M4 nut with gasket to fix the housing onto the 2 hanging board and pull the
expansion pipe outside. (Note: The expansion pipe must be fixed on the housing
firmly.)
11. After installing the housing to the hanging board, use a screwdriver or straight to
adjust the angle iron bracket, direct the housing level position and height till it is
suitable. Screw the safety screw tightly after the level position and height is
suitable.
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