"220V Cooling Fan" oil, lubricating oil is our common, but, also took part in this oil grade. High, medium and low grades of oil. Low-grade oil, it is relatively rare, pour out, you may like water, but the color is a bit yellow, but also volatile. High-grade oil, viscous good, not susceptible to air to evaporate. Thus making it a longer life. The "220V Cooling Fan" Jia Duojia less lubricant is a fan of the quality of a relationship. Oil adds a fan in operation, it is possible to put the oil thrown out. Oil less of it, it will make the life of the fan will not reach 2W hours. Dumped oil is divided into two kinds. One is the heat "220V Cooling Fan" page dumped oil, one is a fan of the label dumped oil.
The first rejection oil, mainly oil too much. There is oil too thin.
The second rejection of oil, mainly because there is no oil closure rubber seal, but the seal is too small. Itself is of a sticky label, after you tear off the label, capping oil also helped to raise it. Did not pay attention, then after the label back, there will be the possibility of oil spills.