“Maintenance” is the activity of maintaining the condition of machines/tools/various work equipment. Keep it in good condition and ready for use at all times. If there is a lack of good maintenance It will affect the performance of the machine. Risk of machine downtime Leading to breakdown problems, which will affect the production efficiency of the factory. Including various expenses that will occur including repair costs. Cost of time – lost opportunity and many more. Therefore, maintenance is a necessity that every factory should pay great attention to.