X-METAL FIRST Instrucciones De Montaje página 31

Adjust the position of the four columns so that the four columns remain perpendicular to the ground. At the same
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time, measure the width of the top between every two columns and it should be consistent with the width of the
bottom of the ground. Then use a marker pen through the holes on the base plate, to mark down the correspinding
positions on the ground.
The marker shall be prepared by the worker before
installation.
Use the marker to make
marks through the bottom
plate holes.
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