When "Brushless Cooling Fan" rarely appear at run time some annoying noise, and electric energy consumption at runtime is very small, this was very favored by some factory workshop Although this "Brushless Cooling Fan" mechanical life is and, but also need to pay attention to maintenance, there is a saying goes, "product quality is good, do not get appropriate care," after all, will not take long, and only well maintained, long service life will be more. As for the "Brushless Cooling Fan" Maintenance is a luxurious, not blind paste trouble, mainly from two aspects to the motor and fan.