I see photos of the eccentric nut on the front (outside) of the plate for the X axis. I also see the screw head against the nut on the outside (facing the operator). So, I see them assembled more than one way. I an looking for the sketch, diagram or video that shows in detail the correct assembly for these parts.
Is there an assembly instruction that is available on line?
I use the x-carve at a makers space and I fear that a well meaning user has altered the way the screw and nuts are assembled. The adjustment of the rollers are very loose and the X axis has a lot of chatter which allows the Z axis to wobble quite a bit.
Here is the full instructions Calibration and Maintenance - X-Carve Assembly
Which includes this video showing thr eccentric nuts. .
If the nuts are placed wrong, then the wheels won’t align with the rails properly. 
The wobble and chatter sounds pretty bad
THANK YOU! This video is the perfect answer to my questions.
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