Scheduling Preventive Maintenance on Auto Rooting Machine at Toys Manufacturer Company

Maintenance cost becomes one of the problems that manufacturing company is facing nowadays due to lack of maintenance system. The main objective of this research is to reduce the maintenance cost on auto rooting machine in toy manufacturer by developing a scheduled preventive maintenance. Data of machine breakdowns and costs related to maintenance, components, and the interval time of failure for each machine were collected. To develop a preventive maintenance system, the interval of component replacement must be determined. The minimum cost model is attained by finding the right interval time. The result of this research shows that by implementing proposed maintenance schedule the machine reliability has 45% increase and maintenance cost decreases by 48%