Slide the Z axis assembly down on top of the column.
With the column top plate setting on the top of the
column, move it around until the 3/8-16 threaded
hold is in the slot on the top of the column top plate.
Thread the 3/8-16 bolt that is provided into the
column clamp bar with the washer provide. Screw the
bolt in until it is loosely on top of the column top
plate. Do not tighten at this point.
