Regular maintenance is essential to ensure the long-term stable operation of crane slewing bearings. Here are some key maintenance measures:

1. Regular Lubrication: The rolling elements and gear parts of the slewing bearing need regular lubrication to reduce friction and wear. A reasonable lubrication schedule should be established based on usage frequency and working environment, typically lubricating every 100 to 300 hours of operation.
2. Check Bolt Tightness: Regularly check the tightness of the connecting bolts. Due to the vibrations and impacts during crane operation, bolts may become loose, affecting the stability and safety of the bearing.
3. Monitor Wear and Clearance: Measure the clearance of the slewing bearing and look for signs of cracks to assess wear. Any noticeable increase in clearance or abnormal noise may indicate the need for further inspection or replacement.
4. Corrosion Protection: For cranes operating outdoors, slewing bearings need anti-corrosion treatment to prevent damage from moisture and corrosive substances. Keeping the slewing bearing clean also helps extend its service life.

    Crane slewing bearings play a vital role in the entire crane system, and their stability and durability directly affect the safety and operational efficiency of the crane. Regular maintenance can significantly extend the service life of the slewing bearing and ensure the efficient operation of the crane. Maintenance of existing slewing bearings should be carried out in strict accordance with the manufacturer's requirements to ensure the safety and stability of the equipment.

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