1. Remove the wheels first, remember to put the screws away, it will save trouble.
2. Remove the bearing. The core of some wheels is very tight and the bearing is difficult to remove. Just use a hexagonal wrench (the one that removes the screw) to dig it out. Don't worry, the bearing is not easy to break.
3. First, use a toothbrush to brush off the dirt on the surface of the bearing. This step is fine, no problem.
4. The side cover of some bearings is detachable, and some are not. First judge whether the bearing can be detachable.
5. Assuming it is detachable, it is very simple. Pry up the C ring with a flat precision screwdriver in the gap of the C ring, then remove the side cover, just remove one side.
6. Assuming it is not detachable, it will be easier. Use destructive methods. Use a precision screwdriver to reach into the seam of the side cover and pry up the side cover forcefully. Don’t doubt, that’s it, but this side cover cannot be installed. Just remove one side and it will be destroyed.
7. Remove one side cover of all the bearings, and you can start washing. Pour the stained oil into the bowl, throw the bearing down and stir.
Everyone knows that bearings need regular maintenance, so th
