General Maintenance Guidelines for Cranes
To ensure the safe operation of cranes, extend their service life, and enhance economic efficiency, proper maintenance of lifting equipment is essential during use. Maintenance refers to a series of tasks performed to keep or restore cranes to a state where they can perform their specified functions. Maintenance is categorized into scheduled maintenance (regular maintenance) and unscheduled maintenance (troubleshooting, repairs, shutdown repairs). Maintenance personnel must perform all necessary maintenance in accordance with the manufacturer’s operating manual and safety protocols to ensure the crane’s upkeep, safety, and normal operation. Maintenance procedures should be established based on the manufacturer’s operating manual. In the absence of such documentation, procedures must be developed by a qualified individual. Scheduled Maintenance The manufacturer’s instruction manual specifies recommended maintenance intervals, which must not be exceeded. The manual also identifies lubrication points attention, the time intervals or frequency for grease and oil changes, and the quality and grade of lubricants to be used. Inspection-Based Maintenance Based on the results of daily inspections, routine inspections (weekly/monthly), periodic inspections (quarterly/annual), comprehensive inspections, special inspections, and other inspections (condition monitoring requirements, component retirement, accidents, repairs, post-earthquake), determine items requiring adjustment, repair, or necessary component replacement. Inspection methods include visual inspection, non-destructive...
2025-09-19
