PT. XYZ applied Total Productive Maintenance (TPM) to improve the efficiency and effectiveness of manufacturing companies as a whole. But in the implementation it is still not optimal, this study aims to measure the value of the effectiveness of the equipment, look for the root caused of the problem and provide suggestions for improvement. The study was conducted on Vapor Phase Drying Oven machines, these machines are critical units where when there is damage to this machine, the production process will stop and will have an impact on the quality of the desired product output. This research begins by measuring the achievement of the overall equipment effectiveness (OEE) value, then identifying the six big losses that occur. The results showed that the average OEE value of the Vapor Phase Drying Oven machine was 74.26%, the value of this effectiveness was quite reasonable and showed that there was a large room for improvement. The biggest factor that affects the low OEE value is the performance rate with a six big losses reduce speed percentage factor of 62.6% of all time loss. The proposed remedial action is to carry out autonomous maintenance given to the operator, conduct training for maintenance technicians and carry out supervision of the operator regarding the cleanliness of the workplace.

Keywords : Total Productive Maintenance, Overall Equipment Effectiveness, Six Big Losses.