Hey, I had the same problem with my 10-year old Neos.
There are hex screws on the bottom of the feet of the glide rail that perform the adjustment. Simply loosen them, put the glibebar back in track, and then push down and tighten them.
Wilson Six.One 95 16X18 Pacific Natural Gut mains @55/TF NRG2 17 Crosses @55
Strung Weight 357g 352g Balance 31.5cm 31.3cm