Preventive maintenance is a schedule of planned maintenance actions aimed at the prevention of breakdowns and failures. Preventive maintenance activities include equipment checks, partial or complete overhauls at specified periods, oil changes, lubrication and so on. In addition, workers can record equipment deterioration so they know to replace or repair worn parts before they cause system failure.The ideal preventive maintenance program would prevent all equipment failure before it occurs.Without preventive maintenance, for example, costs for lost production time from unscheduled equipment breakdown will be incurred. Also, preventive maintenance will result in savings due to an increase of effective system service life.Long-term benefits of preventive maintenance include:
Improved system reliability, Decreased cost of replacement,Decreased system downtime,
Better spares inventory management.
Source :http://www.weibull.com/
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