How to deal with the problem that the rollers on the doosan DH55-5 excavator do not rotate and the parts in contact with the tracks are abnormally worn.
2022.11 Doosan DMS-5 3.0.5 Data Monitoring System Diagnostic Software
A. Inspection essentials
1.Construction environment Swamps, water conservancy projects, dredging and other construction sites are relatively soft environments.
2.Fault situation a. The upper roller hub does not rotate and the contact position with the crawler track is abnormally worn. b. The failure occurred again within a short period of time after replacing the rollers.
3. Determine the fault During the inspection, it was found that the construction environment of the equipment was soft, and the chassis parts were basically covered by soft soil or attachments, causing the rollers to be unable to rotate normally due to large external forces during operation.
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B. Reason: The construction environment is soft, and the chassis parts are basically covered by soft soil or attachments, causing the supporting wheels to be unable to rotate normally due to large external forces during operation.
C. Treatment method: During construction, clean the attachments on the chassis in time.
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