There are many reasons for the drop Chain of the excavator. In addition to the dirt or stones and other impurities in the track of the excavator, which will cause the excavator to go off the chain, there are also failures in the Carrier roller, sprocket, chain guard and other places that will cause the excavator Off-chain. In addition, improper operation can also cause the excavator to disconnect.
1. The Idler roller is damaged
When checking the Idler, check whether the screws on the Idler of the excavator accessories are missing or broken. Is there any modification to the groove of the card Idler?
2, Carrier roller damage
Under normal circumstances, the leakage of oil seal of the Carrier roller of the excavator will cause serious wear of the Carrier roller, which will cause the track to fall off the chain.
3. Wear of sprocket
For sprocket, if it is severely worn, we need to replace it. This is also an important reason for the excavator to go off the chain.
4. Wear of chain guard
At present, almost all excavator parts have chain guards on the crawler tracks, and the chain guards can play a very important role in preventing chain disconnection, so it is also very important to check whether the chain guards are worn.5、
5. Track wear
If it is used for a long time, the track must be worn, and the wear of the chain ribs on the track and the chain barrel of the excavator will also cause the track to fall off the chain.
6. Failure of the track adjuster cylinder
At this time, you should check whether the track adjuster cylinder of the excavator parts has forgotten to fill with butter, and check whether the track adjuster cylinder has oil leakage.