What indicators should I look for to replace my excavator track adjuster?

Replacing an excavator track adjuster is a critical maintenance task that can prevent unscheduled downtime and costly repairs. Here are some clear indicators to look out for, which suggest that your track adjuster might need replacement:

Visual Inspection

Visible Wear and Tear: A primary signal for assessing the need to replace the track adjuster is evident physical damage. Look for any noticeable signs of wear, including cracks, bent components, or significant rust. These flaws can indicate weakening and potential failure.

Oil Leakage: The track adjuster includes a hydraulic cylinder, which should be checked for signs of oil leaks. If the seals are damaged or worn out, the adjuster won’t maintain pressure properly and will need to be serviced or replaced.

Track Tension

Incorrect Track Tension: Track adjusters work to maintain the proper tension on the excavator tracks. Should you observe that the track is too loose or too tight and adjustments don’t hold, it might be time to replace the adjuster. A loose track can lead to de-tracking or difficulty in steering, while an overly tight track causes excessive wear on the pins, bushings, and the sprockets.

Difficulty Adjusting Tension: If it becomes increasingly difficult to adjust the tension, this difficulty can suggest complications within the track adjuster’s mechanical structure or hydraulic system.

Track Alignment and Operation

Poor Track Alignment: The track adjuster helps to keep the track in proper alignment. If you notice uneven wear on the track or it fails to stay in line, the track adjuster could be to blame.

Abnormal Operation Noise: Unusual sounds such as grinding, thumping, or squealing from the tracks during operation can indicate that the adjuster is not functioning correctly and is allowing too much movement or tension.

Efficiency and Response

Sluggish Response: When the excavator’s tracks do not respond promptly to adjustments, there could be a problem with the track adjuster’s hydraulics, suggesting that replacement may be necessary.

Decline in Performance: Overall, if your machine is showing a decline in performance, particularly in the undercarriage area, the track adjuster should be considered as a possible culpruit.


In conclusion, regular inspection of the excavator’s undercarriage, especially the track adjuster, is essential for maintaining optimal performance and extending the life span of the machine. Visible damage, issues with tension and alignment, abnormal noises, and a decline in performance are all signs that a replacement could be required. It is always recommended to consult with a professional if you are experiencing any of these issues to properly diagnose the problem and avoid any unnecessary repairs.

Fulian Operation Team


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