Komatsu chassis - guide wheel replacement method - excavator guide wheel

Komatsu chassis - guide wheel replacement method - excavator guide wheel

The guide wheel is an indispensable part in the walking system of large construction machinery such as excavator. It sits on top of the track and its main task is to guide the track to wind correctly. In addition, it also adjusts the tensioning degree of the track through the tensioning device, which acts as both a guiding function and a tensioning wheel. -- Excavator guide wheel

The steps to replace the excavator guide wheel are as follows:

First, remove the excavator's track. During the disassembly process, pay special attention to the check valve near the butter nozzle, remove it and release the butter. Then, use the bucket to push the guide wheel inwards to make the track as loose as possible. Depending on the excavator model, such as less than 150, it may be necessary to remove the track pin; For model 150 and above, the track can be lifted with the help of a bucket. Make sure to remove the check valve for smoother removal and installation of the track.

Next, install the guide wheel. The installation process is similar to that of regular wheels. Use a jack to lift the excavator, then use a screwdriver to unscrew, remove the old guide wheel, and install the new guide wheel. During the installation process, ensure that the appropriate amount of lubricating oil is applied to ensure smooth installation. -- Excavator guide wheel

After the installation is complete, use the butter gun to inject the butter into the butter cylinder, so that the piston overreaches to push the tension spring, thereby adjusting the tightness of the track. The tightening spring has a certain stroke, and when the tightening force is too large, the spring will be compressed and play a cushioning role. When the tension is gone, the spring will return to its original position and push the guide wheel back to its original position. This design helps to change the wheel base, facilitate the removal and assembly of the track, and reduce the impact during walking to prevent the rail chain from derailing. Damage to the guide wheel assembly is usually caused by poor lubrication of the guide wheel shaft.

The above is the replacement method of the guide wheel of the excavator chassis, and I hope it can be helpful to you. If you have more questions or need to know about excavator accessories, please feel free to leave a message in the comment section, we will be happy to answer you. -- Excavator guide wheel