NEWS & TIPS

Why is my excavator tracking slow one side?

There are multiple potential reasons why your excavator may be experiencing slow tracking on one side. Understanding the underlying causes can guide you to the right solution. Here are some of the common issues to consider:

  1. Track Tension: If the track tension is not adjusted properly, it can lead to uneven tracking. A track that is too loose can slip, while one that is too tight can cause excessive wear and reduced power transmission to the track. Check your excavator’s operating manual for the correct track tensioning procedures and adjust accordingly.
  2. Wear and Tear of Undercarriage Parts: The undercarriage components of an excavator can wear out unevenly due to operation on uneven terrain or simply due to uneven load distribution. This can include sprockets, rollers, track pads, and idlers. Inspecting these parts for wear and replacing them as necessary can help restore proper tracking.
  3. Hydraulic Issues: The hydraulic drive system controls the speed at which the tracks move. If there is a leak or a blockage in the hydraulic lines, or if there is an issue with the hydraulic pumps or motors, it can result in one track moving slower than the other. Consulting a hydraulic system schematic can help you troubleshoot which part of the system needs attention.
  4. Drive Sprocket Problems: The drive sprockets interlock with the tracks and propel the excavator forward. Worn or damaged sprockets can’t effectively engage with the tracks, causing slippage and slow movement. Inspect the sprockets for signs of wear and replace them if necessary.
  5. Track Frame Issues: The track frame’s alignment plays a critical role in smooth operation. A bent or misaligned track frame can cause uneven tracking and potentially damage the undercarriage components. Inspecting the track frame for any signs of distortion and correcting it is crucial.
  6. Debris in Undercarriage: Operating in a dirty or debris-filled environment can lead to materials getting lodged in the undercarriage, impeding the track’s movement. Regular cleaning of the undercarriage can prevent this issue.
  7. Final Drive Motor Issues: The final drive motors turn the sprockets on each side of the excavator. If there’s a failure in one of the final drive motors, it will affect the speed of the corresponding track. Checking the final drive motors for any malfunctions is a necessary step.
  8. Operator Error: Incorrect operation of the excavator could also lead to issues with tracking speed. Operators should be trained to use the machine correctly and monitor for any signs of uneven movement.

When troubleshooting, it’s best to start by examining the most accessible components, like the tracks and tension, before moving on to more complex systems like hydraulics. If you lack the expertise or the problem seems complex, consider consulting with a professional technician or the manufacturer. Regular maintenance and inspections can also prevent many of these issues from developing in the first place.

Remember, the specifics can vary depending on the make and model of your excavator, so always refer to your owner’s manual for guidance and follow all safety procedures when performing inspections or repairs.


Fulian Operation Team

2024.3.14

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