Originally Posted by
sealguy
Norvil1,
When I first got my Bridgemill my backlash was simular to yours. John said that there was some undersize balls that got into some of the Ballscrews. They should measure .125" and when I checked mine they were .1235. I changed them all out and this cut the BL in half. There are several other sources that will add up play and affect your accuracy. Careful placement of a dial indicator and some light levering and you can find where that wasted motion is going. good luck!