Hi, we have an Intermac Master 33 Stone that has been down for a couple years. I am in the process of repairing and have ordered all new X and Y Linear Bearings. Some of the rails have spots of rust and some are pretty covered. What is the best solution to removing the rust without harming the rails? I read in other forums that the maroon Scoth Brite pad is a good way but i feel like it is too abrasive and is going to round out the ball bearing track ways. I have scrubbed with wd-40 and used some break clean to remove excess grease.

Any info is appreciated thank you!