How to lubricate the trailer ball bearing?

The trailer is the main transportation means of the tractor. In use, the trailer wheels often shake, the axles bend, and the trailer ball bearing are worn or damaged early. The bearings, tires and other components are damaged in advance, and the wheels of the heavy ones fly out or break the shaft, endangering the safety of the person and the locomotive.

If there is a failure when using the trailer, it will inevitably affect the progress of the work, so it is usually necessary to do maintenance work, so as to ensure its service life and have a higher efficiency.
Every wheel or axle of the trailer has trailer ball bearing. These bearings must be kept lubricated so that they work properly and prevent malfunctions. This article will show you how to lubricate trailer ball bearing.

1. Use a flange wrench to loosen the flange nut of the tire.
2. Place a jack bracket on each side of the wheel to support it. On the other side of the trailer to prevent the wheels from moving, put a piece of wood behind it.
3. Use a flat-blade screwdriver to pry out the tire dust cover. Use a light tap under the screwdriver to loosen it.
4. Rotate the hub slightly to check for any noise. This indicates that the trailer ball bearing must be replaced.
5. Remove the slotted nut and washer.

6. Remove the hub bearing and outer trailer ball bearing.
7. Use detergent to clean the hub bearings with kerosene and gasoline brushes.
8. Closely inspect the bearings and other parts for rust, pitting, or other damage. Replace it if damaged.
9. Lubricate the bearing with grease. You can use oil gun or hand

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