I believe that many old excavator drivers, in the process of using the excavator, have encountered the situation of oil leakage of the supporting wheel of the excavator accessories, which may be ignored by many people. When the supporting wheel is worn out, they are replacing it with a new one. In fact, although the roller is not easy to repair after oil leakage, the roller can be greased to ensure the lubrication, and the same as no oil leakage, it can be used for 2000 hours continuously.

　　There is no bearing in the inner part of the supporting wheel of the excavator. There is no lubrication in the inner part after the oil leakage. Therefore, you can try to apply grease to the inner part to keep the lubrication.

　　If you look carefully, there is a hex socket screw on the roller of the common excavator accessories, some on the curved surface of the roller, some on the outside of the main shaft.

　　If the bolt is located outside the main shaft, just screw out the hexagon socket screw and replace it with a grease fitting.

　　Then you can lift the grease gun and put butter in it. If it is an excavator accessory roller with oil leakage, it needs to be beaten more for the first time, and then it can be beaten three or four times every day when butter is applied.

　　If the bolt is on the roller surface, it is not easy to do. Even if the hexagon socket bolt can be screwed off, it can only be greased once. If you want to replace it, try to replace the one whose inner hexagon is on the side of the main shaft, even if it leaks oil, you can still use butter.

　　According to this method of maintenance, the spilled excavator accessories roller can be used for at least 2000 hours, which can save the owner a lot of money.