You will need to fully disassemble and clean. The ball bearings are very small and easy to loose so I used a towl under work area in case I dropped anything, work well. After cleaning and oiling rail is smooth and straight.
Iverntech MGN12 700Mm Linear Rail Guide With MGN12H Stainless Steel Carriage Block For 3D Printer And CNC Parts
11 Review
Upgrade Your Furniture With Happybuy 10 Inch Stroke Electric Actuators - Heavy Duty 6000N DC 12V With Mounting Bracket For Recliner, TV Table, Lift, Massage Bed, And Sofa
9 Review
Iverntech MGN12 700Mm Linear Rail Guide With MGN12H Stainless Steel Black Carriage Block For 3D Printer And CNC Parts
9 Review
Iverntech 400Mm MGN12 Linear Rail Guide With 2 Black Stainless Steel MGN12H Carriage Blocks For CNC Parts And 3D Printer Upgrades
8 Review