Tips for coating machine maintenance Correctly do the daily maintenance and maintenance of the coating machine, and check some aspects at regular intervals to see some of the equipment, especially the problem of loose screws. In the maintenance process, we should also do a good job in cleaning, and we can do a good job in these aspects. After the entire cleaning work is done better, then there will be more for our next applications. It’s a guarantee, so be sure to do these things in advance.