L68B1 Mast Section What to do if the slewing bearing of the Tower Crane has abnormal sound
summarize the following on the tower crane slewing bearing abnormal sound of the failure causes and solutions. Part of the content of this site from the network collation, for reference only, if there is something wrong, welcome to contact us to discuss the problem 1. Cause of failure: poor lubrication of large ring gear. Solution: Oil Smooth 2. Cause of failure: improper clearance between big ring gear and pinion gear. Solution: Adjust the clearance 3. Cause of failure: rotator or spacer block damaged. Solution: replace damaged parts 4. Failure cause: raceway surface pitting, spalling. Solution: Trim the raceway 5. Cause of failure: The high-strength Bolt pretightening force is not consistent, the difference is large. Solution: ADJUST PRE-TIGHTENING FORCE.
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