L68A1 Mast Section Causes and solutions to abnormal noise of slewing bearing

29-11-2019

1. Fault cause: poor lubrication of large gear ring.


Solution: refuel smoothly.


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2. Fault cause: the gap between the big gear ring and the small gear is improper.


Solution: adjust the gap.




3. Fault cause: the rotating body or isolation block is damaged.


Solution: replace the damaged parts.




4. Fault cause: pitting and peeling of raceway surface.


Solution: rest the raceway.


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5. Cause of failure: the pre tightening force of high-strength bolt is inconsistent, with great difference.


Solution: adjust the preload.

L68A1 Mast Section:http://www.towercranesupply.com/product/l68a1-mast-section-for-tower-crane-mastsL68A1 Mast Section

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