1, the tension cylinder failure caused by the chain.
At this time, you should check whether the tight oil cylinder has forgotten to butter, and see whether the tight oil cylinder has oil leakage.
2, track wear caused by serious chain.
If used for a long time, the track must be worn, and the wear of the chain tendon on the track, the chain cylinder and other components will also lead to the track off the chain.
3, chain guard wear caused by the chain off.
Now almost all
excavator tracks have a chain guard, and the chain guard can play a very important role in preventing chain removal, so it is also important to check whether the chain guard is worn.
4, drive motor gear ring wear caused by the chain.
For the drive motor gear ring, if the wear is serious, we need to replace it, which is also an important reason for the
excavator to be off the chain.
5, the chain removal caused by the sprocket damage.
Under normal circumstances, the oil seal of the sprocket will cause the sprocket to wear seriously, which will lead to the track off the chain.
6, the guide wheel damage caused by the chain.
When viewing the guide wheel, it is necessary to see that the screws above the guide wheel are not missing or broken. The slot in the card guide wheel, there's no variation.
Second, how to avoid the
excavator track chain derailment
When walking on the site, please try to put the walking motor behind the walking to reduce the extrusion of the sprocket.
The continuous walking time of the machine should not exceed 2 hours, and the walking time on the site should be reduced as far as possible. If necessary, it is recommended to walk after a short stop on the way.
Avoid raised hard objects when walking, so as not to cause stress sets on the orbital chain.
Check the tightness of the track, adjust the track tight in soft areas such as dirt, and adjust the track loose when walking on stones.
Track too loose or too tight is not good, too loose will cause the track easily derailed, too tight will cause the chain sleeve to wear too fast.
Often check whether there are foreign objects such as stones involved in the track, if there is a need to clean up.
Working on a muddy site requires frequent idling of the dirt deposited in the track.
Try to avoid the
excavator moving in circles.
Check the rail guard and the piece of rail welded under the guide wheel regularly.
The
excavator derailed, it is a very serious thing, if not careful operation is easy to cause an accident.
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