Rail rack maintenance: (Y axis on both sides and X axis in the middle)
1. Open the dust cover
2. Clean the rail rack with rust remover
3. Blow it off with an air gun
4. Wipe clean with a dry cloth
5. Spray with butter spray (maintenance once every 3-6 months)
6. Put the dust cover on
Until both sides of the Y-axis and the middle of the x-axis are maintained
