For treatment purposes, we don't need to know in detail, but we know that there are things that must be considered in these parts so that we can do the treatment properly. So it's not for the purpose of repairing but the goal is to maintain it so that the fan can last.
Without proper care, of course, the goods will not last long, but if done incorrectly, it can cause the fan to die quickly. For example, for lubrication instead of using a runny liquid so that the liquid can get into the vital parts of the fan and contaminate it can even cause a short circuit.
For more details about this Motor of the fan and how to care for it, see the video below:
