Do a good job on the "24V DC Cooling Fan" paint pieces of maintenance. Wipe with a soft cloth, if the above indelible stain, available alkali content less soapy water or wipe with a small amount of kerosene, then clean and dry. After the demolition blades with a soft wrap, placed between the front grille to avoid "24V DC Cooling Fan" blade angle deformation. For the maintenance of other parts. Power cord is not exposed to harmful gases, such as mosquito coils, gas, etc., otherwise it will change the color or even an accident. Motor bearings are oil-copper bearing, as it will not lose oil, can be injected in the right amount of oil in the filling hole. At the beginning of the knob on his head, shaking his head position, in order to avoid spring in an uncompressed state. In addition, before "24V DC Cooling Fan" fan head in a plastic bag and carton, the best load running ten minutes, until the fan head is completely cool before packing, it will give the motor in a dry state at the time of the winter.