have them cut some squares on a 1/4 panel and circles ,see if the cuts line up also check the diagonals of the squares ,then run a bit down the table see if the height stays,check the bearings for play ,check the drives see how hot they are running after say 2 hours .
Check to see if it will return to zero ,the spot you set as zero ,run it to the end of the table ,hit return to zero.
Have them re-surface scrap piece on top the table ,what how it works |