Put a magnetic base with a 0.0005" (0.01 mm) indicator on the spindle.
Note: Make sure the indicator base cannot move or turn with the spindle.
Move a gauge block below the indicator stylus from the rear of the indicator. Set the indicator to 0. Remove the gauge block.
Examine the table every 10 inches (25.4 cm) on the X and Y Axis. Move the table to the next location. Move the gauge block under the indicator stylus from the rear of the indicator. Record the value.
Note: The maximum permitted error is 0.0012" (0.03 mm) at a distance of 10" (25.4 cm).