How to make 220 v cooling fan to use longer?

"220V Cooling Fan" use and maintenance Edit.Should carefully read the instruction manual before use, to fully grasp the fans of the structure, performance and installation, use and maintenance methods and precautions.Desktop, floor fans must have safety ground wire three-pin plug and socket; the ceiling fan should be installed in a higher position, you can not install the ground wire.Electric fan blade is an important component, regardless of the installation, removal, scrub or use, must be strengthened to protect, prevent deformation."220V Cooling Fan" to operate each function switch, button, knob, action can not be too much, too fast, can not press two buttons simultaneously.Ceiling Fan speed control knob should slowly rotate the order should not be screwed in between gear position, or easy to make a ceiling fan heat, burn.Fan of oil or fouling, should be promptly removed. Not use gasoline or strong alkaline cleaning, so as not to damage the surface of the paint component function.Fans such as occurs in the course of hot, abnormal burning smell, shaking his head not working, the speed slows down, such as failure, do not continue to use, should be promptly cut off the power maintenance. "220V Cooling Fan" fan favorites before thoroughly remove surface oil, fouling, and wipe dry with a soft cloth, and then use kraft paper or a clean cloth wrapped. Storage place should be dry and well ventilated to avoid the squeeze.