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Slewing bearing periodical inspection and maintenance 2011-05-30
Slewing bearing equipment for the first time use 100 hours, check a bolt pre-tightening torque. If there are bolted looseness of up to 10 percent, the first 200 hours to check again later. Every 500 hours after inspected once; Bad working environment to shorten check interval. After 2000 hours cumulative work equipment, if found a bolt looseness to provisions under the 80%, the moment the bolts and adjoining bolt to change new. If it is found that 20% of bolt looseness 80% of the specified below, the moment all bolts to change new. Slewing ring bearing equipment cumulative work 14,000 hours after equipment, all bolts are for a new one. On turning speed is higher or continuous rotary or work frequent equipment, every 100 working hours add a oil. In the condition of bad circumstances should further shorten charging lubricating grease time intervals.
